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Question:

What kind of masses in the abdomen are cancerous? And how common is it?

I'm feeling really overwhelmed right now and could use some advice. I recently took my sweet golden retriever, Max, to the vet because he just hasn't been acting like himself lately. He's been more sluggish than usual, and I noticed a little bloating around his abdomen. After some tests, the vet found a mass in his abdomen, and now I'm feeling totally lost. They mentioned that it could be cancerous, and I can't stop worrying about what this means for my boy. How common are cancerous tumors in dogs? Has anyone else gone through something similar with their fur babies? Any insights would be really appreciated while we wait for more test results. Thanks for being here.

Answer:

Hello there! It's completely natural to be concerned when you notice something unusual with your pet. Abdominal masses in pets can vary quite a bit, and not all of them are cancerous.



Common benign (non-cancerous) types include lipomas, which are fatty tumors, and cysts. However, it's true that there can also be cancerous masses, such as malignant tumors originating in the liver, spleen, or intestines. The likelihood of a mass being cancerous can depend on factors like your pet's age, breed, and medical history.



Don't worry just yet! Here are a few things to consider: monitor the mass for changes in size, shape, or consistency, and watch for other symptoms like weight loss, vomiting, or changes in appetite or energy levels. These signs could indicate something more serious that needs veterinary attention.



While it's important to keep an eye on the mass, try not to jump to conclusions. If you notice the mass growing quickly or your pet seems uncomfortable or in pain, it's time for a check-up.



For specific guidance tailored to your pet’s situation, it might be helpful to book a video consult with one of our vets through Dial A Vet. We're here to help you and your pet feel better!

Answered by

Louise - Senior Veterinary Nurse, Dial A Vet

June 23, 2025

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The "Ask a Vet" forum on Dial A Vet offers general information and helpful tips on pet health, but it's not a substitute for professional veterinary care. The advice here doesn't create a veterinarian-client-patient relationship, and our vets can't diagnose or treat your pet remotely. For emergencies or specific medical concerns, always contact your local veterinarian immediately. Your pet's health is unique, and decisions should only be made after consulting with a qualified professional. By using this forum, you acknowledge these limitations and agree to seek in-person veterinary advice for all your pet's health needs. View our content guidelines.
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