by TCMVET | Sep 5, 2024 | Dog Cancer & Tumors
Primary lung tumors in dogs are extremely rare, affecting only 4 out of 100,000 dogs. Despite their rarity, recent years have seen an increase in the diagnosis of lung tumors in canines. This rise may be attributed to the longer lifespans of dogs, which naturally exposes them to more age-related diseases. Additionally, increased exposure to secondhand smoke has been identified as a possible contributing factor. While primary lung cancer can be difficult to detect, understanding the causes and risk factors can help dog owners remain vigilant and take the necessary precautions.
What Are Primary Lung Tumors in Dogs?
Primary lung tumors in dogs are growths that originate in the lung tissue itself, as opposed to secondary tumors, which spread to the lungs from other parts of the body. Though these types of tumors are rare, they are most commonly found in senior dogs, with the average age of diagnosis being 10 years. Unlike other forms of cancer, primary lung tumors do not appear to show any breed or gender predisposition, meaning all dogs are potentially at risk.
Types of Primary Lung Tumors
The most common type of primary lung tumor in dogs is adenocarcinoma, which accounts for 80% of all primary lung cancers in canines. Adenocarcinomas develop in the lining of the lung tissue, primarily affecting the bronchi, bronchioles, or alveoli. These tumors can range from slow-growing to highly aggressive.
The second most common type is squamous cell carcinoma, which arises in the cells lining the airways. While not as prevalent as adenocarcinomas, squamous cell carcinomas are still significant in terms of risk.
Other, less common types of primary lung tumors in dogs include:
- Chondromas
- Sarcomas
- Fibromas
- Plasmacytomas
Each of these tumor types presents unique challenges in terms of diagnosis and treatment.
Causes and Risk Factors
- Aging
One of the primary risk factors for lung cancer in dogs is age. Primary lung tumors are most often seen in dogs over 10 years of age. As dogs live longer due to advances in veterinary care and nutrition, the likelihood of age-related diseases like cancer naturally increases.
- Secondhand Smoke
Just like in humans, secondhand smoke has been linked to an increased risk of lung cancer in dogs. Dogs living in households where smoking occurs may inhale carcinogens, which could damage their lung tissue over time, leading to the development of tumors.
- Environmental Toxins
Exposure to environmental pollutants such as chemicals, asbestos, and other airborne toxins may also increase the risk of lung tumors in dogs. Urban environments, where air pollution is more common, might pose a higher risk for developing such cancers.
- Pre-existing Health Conditions
Certain pre-existing health conditions, like chronic bronchitis or lung infections, can weaken the lungs and potentially increase the risk of developing cancerous tumors. Dogs with a history of respiratory illnesses should be monitored closely as they age.
- Genetics
While there is no specific breed predisposition for primary lung tumors, genetic mutations or hereditary factors may still play a role in some cases. However, more research is needed in this area to establish any definitive genetic links.
Diagnosis of Primary Lung Tumors
Diagnosing primary lung tumors in dogs can be challenging. Symptoms often do not appear until the tumor has grown significantly, making early detection difficult. Common signs to watch for include:
- Persistent coughing
- Difficulty breathing
- Lethargy
- Loss of appetite
- Unexplained weight loss
A veterinarian may perform chest x-rays or an ultrasound to detect any abnormal growths in the lungs. However, these images can sometimes be misleading, as non-cancerous conditions like lung abscesses, cysts, or granulomas (caused by fungal infections or parasites) may mimic the appearance of a tumor. Definitive diagnosis typically requires a biopsy to determine if the mass is malignant.
Treatment Options
Once diagnosed, the treatment plan for primary lung cancer will depend on the type, size, and stage of the tumor. Surgical removal of the tumor is the most common and effective treatment, particularly if the tumor is confined to one lung lobe and has not metastasized. Dogs have a good chance of recovery post-surgery, as the lung can regenerate.
In cases where surgery is not possible, chemotherapy or radiation therapy may be considered, especially for more aggressive or inoperable tumors. However, these treatments are usually aimed at prolonging life rather than providing a cure.
While primary lung tumors in dogs are rare, the incidence appears to be rising due to increased lifespans and environmental factors like secondhand smoke exposure. Dog owners should remain vigilant, particularly as their pets age, and seek prompt veterinary care if any respiratory issues arise. Early diagnosis and treatment can significantly improve a dog’s quality of life and longevity.
by TCMVET | Sep 5, 2024 | Dog Cancer & Tumors
Liver cancer in dogs, while not among the most common forms of cancer, can pose a serious threat to your pet’s health if not caught early. According to research, liver tumors account for approximately 1.5% of all canine tumors. Though this percentage is relatively small, early detection plays a crucial role in successful treatment. Understanding the symptoms and types of liver cancer can help pet owners ensure timely veterinary care for their dogs.
What is Liver Cancer in Dogs?
In many cases, liver tumors in dogs are metastatic, meaning that they have spread from other parts of the body rather than originating in the liver itself. These metastatic tumors are often benign, which offers a more favorable prognosis.
However, in some instances, dogs can develop primary liver tumors, which start directly in the liver. The most common type of primary liver cancer in dogs is Hepatocellular Carcinoma, accounting for over 50% of primary liver cancers. Although these tumors tend to remain confined to the liver, they are often malignant and can be challenging to treat.
Causes and Risk Factors for Canine Liver Cancer
The exact causes of liver cancer in dogs remain unclear. Unlike some other cancers, liver cancer doesn’t seem to have a specific breed predisposition. However, age is a significant factor, with liver cancer being more common in dogs over 10 years old. Some studies also suggest that male dogs may be at slightly higher risk, but this has not been conclusively proven.
Symptoms of Liver Cancer in Dogs
Detecting liver cancer early can drastically improve treatment outcomes. Pet owners should watch for the following symptoms and seek veterinary attention if they notice any of these signs:
- Loss of appetite
- Unexplained weight loss (especially a rapid loss of over 10% body weight)
- Lethargy or fatigue
- Increased thirst
- Vomiting or diarrhea
- Noticeable abdominal mass
- Jaundice (yellowing of the skin or eyes)
- Frequent urination or blood in urine
- Confusion or disorientation
These symptoms may indicate liver cancer, but they can also be related to other health issues. It is important to visit a veterinarian for a proper diagnosis.
Diagnosing Liver Cancer in Dogs
If a veterinarian suspects liver cancer, they will typically begin with a physical examination to detect any masses or abnormalities in the abdominal area. Blood and urine tests may be conducted to evaluate liver function. However, the most definitive way to diagnose liver cancer is through imaging tests like x-rays or ultrasounds, which can identify tumors or growths in the liver.
Types of Liver Cancer in Dogs
Liver cancers in dogs are categorized based on their appearance and how they spread:
- Massive Tumors: These are large, singular masses that typically form in one area of the liver. They are less likely to spread than other types.
- Nodular Tumors: These smaller masses appear in multiple locations within the liver and are more likely to metastasize to other organs.
- Diffuse Cancer: This form consists of cancer cells dispersed throughout the liver, making it difficult to treat as there are no distinct tumors to remove.
A Hepatocellular Adenoma refers to a benign liver tumor, which, though not as dangerous, may still require surgical removal based on its size and location.
Treatment Options for Liver Cancer in Dogs
The treatment plan for liver cancer in dogs varies depending on the type, size, and spread of the tumor. Common treatments include:
- Surgical Removal: The most effective treatment for many liver cancers involves surgically removing the tumor. Since the liver can regenerate, dogs often recover well after surgery, though they may need ongoing dietary and health management.
- Chemotherapy and Radiation: These therapies may be recommended in combination with surgery or as a standalone treatment, depending on the cancer’s stage and type.
- Medication: Some cancers may be managed with medications that help slow their progression or alleviate symptoms.
Every case of liver cancer is unique, and a veterinary oncologist can provide personalized treatment recommendations based on your dog’s specific situation.
Liver cancer in dogs is a serious condition that requires early detection and prompt treatment for the best possible outcomes. Being aware of the symptoms, such as sudden weight loss, jaundice, or a noticeable abdominal mass, can help dog owners take swift action. Regular vet checkups and monitoring your dog’s health are essential, particularly for older dogs, to catch any signs of liver cancer early.
by TCMVET | Sep 5, 2024 | Dog Cancer & Tumors
Cancer is one of the leading health concerns for dogs, affecting numerous breeds regardless of their size, age, or pedigree. Some dog breeds, however, are genetically more prone to developing certain types of cancer than others. Understanding which dog breeds are at a higher risk can help owners be more vigilant and proactive about their pets’ health. In this article, we will explore the dog breeds that are more susceptible to cancer and what signs pet owners should watch for.
Breeds Most Prone to Cancer
- Golden Retrievers Golden Retrievers are one of the most well-known breeds prone to cancer. Studies suggest that approximately 60% of Golden Retrievers will develop some form of cancer in their lifetime, with hemangiosarcoma and lymphoma being the most common. These cancers can be aggressive, so early detection is crucial.
- Boxers Boxers are another breed highly susceptible to cancer, particularly mast cell tumors, which affect the skin. They are also prone to lymphoma and brain tumors. Regular check-ups with a veterinarian can help catch these issues before they become life-threatening.
- Bernese Mountain Dogs Bernese Mountain Dogs are at high risk of developing histiocytic sarcoma, a particularly aggressive type of cancer that affects the spleen, liver, and other organs. Unfortunately, the prognosis for this cancer is often poor, which is why routine health monitoring is essential.
- Rottweilers Rottweilers are commonly affected by osteosarcoma, a type of bone cancer. This aggressive cancer can spread quickly, often requiring amputation of the affected limb. Early signs, such as lameness or swelling in the limbs, should be addressed immediately.
- German Shepherds German Shepherds are known to develop hemangiosarcoma, particularly in the spleen or heart. This type of cancer is often diagnosed in its later stages because it shows few early symptoms, making regular veterinary screenings especially important for this breed.
- Labrador Retrievers Labrador Retrievers, although generally healthy, are also prone to cancer, particularly lymphoma and mast cell tumors. These cancers can affect various organs and require immediate treatment for the best prognosis.
- Beagles Beagles are more likely to develop bladder cancer than other breeds. Bladder cancer, while treatable, can spread quickly if not caught early. Beagle owners should be on the lookout for signs like blood in urine or difficulty urinating.
- Poodles Standard Poodles are prone to several types of cancer, including lymphoma and hemangiosarcoma. Regular vet check-ups and a healthy lifestyle can help reduce the risks and detect cancer early.
Signs to Watch For
Cancer symptoms in dogs can vary depending on the type and location of the tumor, but common signs include:
- Unexplained weight loss
- Lumps or bumps on the body
- Difficulty breathing
- Lameness or swelling in the limbs
- Loss of appetite
- Unusual bleeding or discharge
If any of these symptoms appear, it is crucial to consult with a veterinarian as soon as possible.
Early Detection and Prevention
Although there is no guaranteed way to prevent cancer, early detection can significantly improve a dog’s chances of survival. Regular veterinary check-ups, a balanced diet, and maintaining a healthy weight can reduce the risk of cancer in dogs. Genetic testing can also be helpful for owners of high-risk breeds, as it may indicate a predisposition to specific types of cancer.
While many dog breeds are susceptible to cancer, early detection and preventative care can make a substantial difference in treatment outcomes. Pet owners should stay informed about their breed’s health risks and maintain regular communication with their veterinarian to ensure their dog leads a long, healthy life.
by TCMVET | Sep 3, 2024 | Dog Cancer & Tumors
Melanoma is a type of cancer that affects the melanocyte cells responsible for producing melanin, the pigment that gives color to a dog’s skin, fur, and eyes. While melanoma can develop in any dog, certain breeds are more predisposed to this disease due to their genetic makeup. Understanding the role of genetics in canine melanoma and knowing which breeds are at higher risk can help pet owners take proactive steps to monitor and manage their dogs’ health. This article explores the genetic factors involved in canine melanoma, identifies the breeds most at risk, and provides tips on what to watch for to ensure early detection.
Understanding the Genetics of Canine Melanoma
Genetics play a significant role in the development of melanoma in dogs. Some breeds are more susceptible to melanoma due to inherited genetic mutations that increase the likelihood of abnormal cell growth in the melanocytes. These genetic predispositions can lead to a higher incidence of both benign (non-cancerous) and malignant (cancerous) melanomas in certain dogs.
Research has shown that specific genes are associated with an increased risk of melanoma in dogs. These genes can influence the way melanocytes behave, making them more prone to forming tumors. While the exact genetic mechanisms are still being studied, it is clear that some dogs inherit a higher risk of developing melanoma from their parents.
Breeds at Higher Risk of Melanoma
Certain dog breeds are genetically predisposed to developing melanoma, particularly malignant forms that can spread to other parts of the body. Some of the breeds most at risk include:
- Cocker Spaniels: Cocker Spaniels are known for their beautiful, long coats and expressive eyes, but they are also prone to developing melanoma, particularly in the oral cavity and nail beds.
- Miniature and Giant Schnauzers: Both Miniature and Giant Schnauzers have a higher incidence of melanoma, especially in areas like the nail beds and skin. Regular monitoring is essential for these breeds.
- Golden Retrievers: This popular breed is at risk for various cancers, including melanoma. Golden Retrievers may develop melanomas on the skin, in the mouth, or in the eyes.
- Miniature Poodles: Miniature Poodles are another breed with a higher likelihood of developing melanoma, particularly in the nail beds and skin. Owners should be vigilant in checking for any unusual growths.
- Boston Terriers: Boston Terriers, with their distinctive markings and compact build, are also at a higher risk for melanoma. Oral melanomas are particularly common in this breed.
- Scottish Terriers: Known for their wiry coats and strong personalities, Scottish Terriers are prone to developing melanoma, especially in the skin and mouth.
- Doberman Pinschers: This breed is genetically predisposed to various health issues, including melanoma. Regular vet checkups are important for early detection.
- Gordon Setters and Irish Setters: Both of these Setter breeds are at an increased risk of melanoma, with the disease often affecting the skin and mucous membranes.
What to Watch For: Signs of Melanoma in High-Risk Breeds
If your dog belongs to one of the breeds listed above, it’s essential to be vigilant for signs of melanoma. Early detection can make a significant difference in treatment outcomes. Here’s what to watch for:
- Unusual Lumps or Bumps: Regularly check your dog’s skin for any new or unusual lumps, bumps, or growths. Melanomas often appear as dark, pigmented masses but can also be less pigmented, making them harder to spot.
- Oral Melanomas: Pay attention to your dog’s mouth during routine care. Look for dark or discolored masses on the gums, lips, or inside the mouth. Bad breath, excessive drooling, and difficulty eating can also be signs of oral melanoma.
- Nail Bed Tumors: If your dog is frequently licking or chewing at a specific toe, or if you notice swelling or a detached nail, it could be a sign of a subungual melanoma (melanoma of the nail bed).
- Eye Changes: Ocular melanomas can cause visible changes in your dog’s eyes, such as a mass on the eyelid, redness, swelling, or a change in the iris’s color. Watch for signs of impaired vision, like bumping into objects.
- Behavioral Changes: Any sudden changes in your dog’s behavior, such as lethargy, reluctance to move, or signs of pain, should be taken seriously and evaluated by a veterinarian.
The Importance of Regular Veterinary Checkups
For dogs at higher risk of melanoma, regular veterinary checkups are crucial. Your vet can perform thorough examinations, including inspecting the skin, mouth, eyes, and nails for any signs of melanoma. Early detection and intervention can improve the prognosis for dogs diagnosed with melanoma, potentially extending their lives and enhancing their quality of life.
In addition to physical exams, your vet may recommend diagnostic tests such as fine needle aspirates (FNA) or biopsies of suspicious masses to determine if they are cancerous. In some cases, imaging tests like X-rays or ultrasounds may be used to check for metastasis (spread) of the disease.
Understanding the role of genetics in canine melanoma is key to identifying dogs at higher risk and ensuring early detection and treatment. If your dog belongs to a breed predisposed to melanoma, regular monitoring and veterinary care are essential in catching the disease in its early stages. By staying informed and proactive, you can help protect your dog’s health and well-being, potentially extending their life and improving their quality of life.
by TCMVET | Sep 3, 2024 | Dog Cancer & Tumors
Melanoma is a type of skin cancer that can affect dogs of all breeds and ages, though it is more common in older dogs. Early detection is crucial in managing this disease, as melanoma can be aggressive and may spread to other parts of the body if not treated promptly. This article will guide you through recognizing the signs of melanoma in dogs, understanding the importance of early detection, and offering tips for prevention.
What is Melanoma in Dogs?
Melanoma in dogs is a form of cancer that originates in the melanocyte cells, which are responsible for producing the pigment melanin. This pigment gives color to a dog’s skin, fur, and eyes. Melanomas can occur in various parts of the body, including the skin, mouth, eyes, and nail beds. These tumors can be either benign (non-cancerous) or malignant (cancerous), with malignant melanomas posing a greater threat due to their potential to metastasize to other organs.
Common Signs of Melanoma in Dogs
Recognizing the signs of melanoma early can significantly improve the chances of successful treatment. Here are some key symptoms to watch for:
- Skin Lesions: The most noticeable sign of melanoma is the appearance of dark, pigmented masses on your dog’s skin. These lesions may be black, brown, or gray and can range from small, raised bumps to larger, more irregularly shaped growths. While many of these masses are benign, it’s important to have them evaluated by a veterinarian.
- Oral Melanomas: Melanomas that develop in the mouth are often more dangerous and may not be as easily detected. Look for signs such as bad breath (halitosis), excessive drooling, difficulty eating, or visible masses inside the mouth. Oral melanomas can be particularly aggressive and may spread quickly.
- Nail Bed Tumors: Melanomas can also appear in the nail beds, often leading to swelling, pain, and lameness. If your dog is consistently licking or chewing at a specific toe, or if you notice a nail that appears to be abnormal or detached, it could be a sign of a subungual melanoma.
- Eye Changes: Ocular melanomas, which occur in or around the eye, can cause noticeable changes in the eye’s appearance. This may include a mass on the eyelid, redness, swelling, or a change in the color of the iris. Dogs with ocular melanomas may also show signs of impaired vision, such as bumping into objects or being hesitant in unfamiliar environments.
- General Symptoms: In some cases, melanomas may cause systemic symptoms, especially if the cancer has spread. These can include weight loss, lethargy, and a general decline in your dog’s overall health. If you observe these signs, it’s important to consult with your veterinarian immediately.
Importance of Early Detection
Early detection of melanoma is vital for effective treatment. The sooner the cancer is identified, the better the chances of preventing its spread and improving your dog’s prognosis. Regular veterinary checkups, including thorough skin examinations, are key to catching melanoma in its early stages. If you notice any unusual growths or changes in your dog’s behavior, don’t hesitate to schedule an appointment with your vet.
Prevention Tips for Canine Melanoma
While it may not be possible to completely prevent melanoma in dogs, there are several steps you can take to reduce the risk and ensure early detection:
- Routine Examinations: Regularly examine your dog’s skin, mouth, eyes, and paws for any unusual growths, lumps, or changes in color. Make this part of your grooming routine to catch any potential issues early.
- Limit Sun Exposure: While excessive sun exposure is not a direct cause of melanoma in dogs, it can contribute to other forms of skin cancer, such as squamous cell carcinoma. Keep your dog out of direct sunlight during peak hours, especially if they have light-colored fur.
- Monitor High-Risk Breeds: Certain breeds are more predisposed to melanoma, including Cocker Spaniels, Miniature and Giant Schnauzers, and Golden Retrievers. If your dog belongs to a high-risk breed, be extra vigilant in monitoring for signs of melanoma.
- Healthy Diet and Lifestyle: Maintaining a healthy diet and lifestyle can boost your dog’s immune system, helping to protect against various diseases, including cancer. Ensure your dog receives balanced nutrition, regular exercise, and appropriate veterinary care.
- Avoid Trauma to the Skin: Repeated trauma or irritation to a specific area of your dog’s skin can increase the risk of cancerous changes. Prevent excessive licking, chewing, or scratching by addressing the underlying causes of such behaviors, such as allergies or parasites.
Recognizing the signs of melanoma in dogs and taking proactive steps for early detection and prevention are critical in managing this serious condition. By staying informed and vigilant, you can help ensure that your dog receives the best possible care, potentially extending their life and improving their quality of life. Regular checkups, a healthy lifestyle, and prompt veterinary attention are your best tools in the fight against canine melanoma.
by TCMVET | Aug 29, 2024 | Dog Cancer & Tumors
Mediastinal tumors in dogs are serious and often life-threatening, requiring a comprehensive and tailored treatment approach. The mediastinum, a central compartment in the chest cavity, houses vital organs like the heart, esophagus, and major blood vessels. Tumors in this area can cause significant health issues, making early and effective treatment crucial for improving your dog’s prognosis. This article explores the various treatment options available for canine mediastinal tumors, ranging from surgery to chemotherapy.
Understanding Canine Mediastinal Tumors
Mediastinal tumors can be either benign or malignant and may originate from different tissues within the mediastinum. Common types include lymphoma, thymoma, neuroendocrine tumors, and lipomas. The choice of treatment depends on the tumor type, size, location, and the overall health of the dog.
Surgical Treatment
- Surgical Removal Surgery is often the first line of treatment for mediastinal tumors, particularly when the tumor is localized and operable. The goal of surgery is to completely remove the tumor while minimizing damage to surrounding tissues. Surgical removal is most commonly recommended for benign tumors like thymomas or lipomas, which can be effectively excised with minimal complications.
- Thoracotomy Thoracotomy is the surgical procedure used to access the mediastinum. During a thoracotomy, the surgeon makes an incision in the chest wall to reach the tumor. This procedure is complex and requires specialized expertise due to the proximity of critical structures such as the heart and major blood vessels. Post-operative care is essential to manage pain and prevent complications.
- Minimally Invasive Surgery In some cases, minimally invasive techniques like video-assisted thoracic surgery (VATS) may be used. VATS involves smaller incisions and the use of a camera to guide the surgery, reducing recovery time and post-operative pain. However, it is only suitable for certain types of tumors and requires a highly skilled surgical team.
Chemotherapy
- Systemic Chemotherapy Chemotherapy is often used to treat malignant mediastinal tumors, such as lymphoma. Systemic chemotherapy involves the administration of drugs that circulate throughout the body, targeting rapidly dividing cancer cells. Chemotherapy can be used as the primary treatment or as an adjunct to surgery, particularly in cases where complete surgical removal of the tumor is not possible.
- Multi-Drug Protocols For tumors like lymphoma, multi-drug chemotherapy protocols are commonly used. These protocols involve a combination of different chemotherapy drugs administered over a series of treatment cycles. The combination of drugs helps to maximize the effectiveness of the treatment while minimizing the risk of drug resistance.
- Targeted Therapy Targeted therapy is a newer approach that involves drugs designed to specifically target cancer cells while sparing normal tissues. Although still in the experimental stages for veterinary use, targeted therapies hold promise for treating certain types of mediastinal tumors with fewer side effects compared to traditional chemotherapy.
Radiation Therapy
- External Beam Radiation Radiation therapy is another treatment option, especially for tumors that are difficult to remove surgically or for which chemotherapy is not effective. External beam radiation involves directing high-energy beams at the tumor from outside the body, aiming to shrink the tumor and alleviate symptoms. Radiation therapy is often used in combination with surgery or chemotherapy to improve outcomes.
- Stereotactic Body Radiation Therapy (SBRT) SBRT is an advanced form of radiation therapy that delivers high doses of radiation with extreme precision. This technique is particularly useful for treating tumors that are close to vital organs, as it minimizes damage to surrounding tissues. SBRT may be recommended for dogs with inoperable mediastinal tumors or when conventional radiation therapy is not suitable.
Palliative Care
- Symptom Management In cases where curative treatment is not possible, palliative care focuses on managing symptoms and improving the quality of life. This may include pain relief, respiratory support, and measures to reduce discomfort. Palliative care can be combined with other treatments to help manage symptoms and prolong life.
- Nutritional Support Providing nutritional support is an important aspect of palliative care. Dogs with mediastinal tumors may have difficulty eating due to pressure on the esophagus or general weakness. Special diets, appetite stimulants, and feeding assistance may be necessary to ensure your dog maintains adequate nutrition.
Holistic and Alternative Therapies
- Herbal Medicine Some dog owners choose to supplement conventional treatments with herbal medicine. Certain herbs are believed to have anti-cancer properties and can help boost the immune system. While these treatments should not replace conventional therapies, they may be used to support overall health and well-being.
- Acupuncture Acupuncture is another alternative therapy that may help alleviate pain and improve your dog’s comfort. While not a cure for cancer, acupuncture can be part of a holistic approach to managing symptoms and enhancing your dog’s quality of life.
Treating mediastinal tumors in dogs requires a multi-faceted approach that may include surgery, chemotherapy, radiation, and palliative care. The choice of treatment depends on the type and stage of the tumor, as well as the overall health of your dog. Early diagnosis and prompt treatment are key to improving outcomes and giving your dog the best possible quality of life. If you suspect your dog may have a mediastinal tumor, consult with your veterinarian immediately to discuss the most appropriate treatment options.
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