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I am new here and I have a question about my dog. He's wonderful, but already 13 years old and now he has developed a lump on his belly. I have heard that older dogs get cancerous growths all the time, and that it can be extremely dangerous to them as well! Can you tell me more about how dogs are treated for tumours?


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Health Ace
6516 posts

hey there budd,

I am a Veterinary Technician...... lumps can be either Malignant (Cancerous) or  Benign (harmless) it is very common for older dogs to get all sorts of lumps...... most are benign fatty tumors which can get quite large but are harmless. there is the possibility that this lump could be harmful. you can have a needle aspiriate done to help determin if the cells are potentially cancerous or if they are something like a fatty tumor.) lumps on the surface under the skin like the one you are describing can be removed by a lumpectomy.... after the lump is removed it can be sent to a lab for a histopathy (the lump is looked at by a pathologist under a microscope and the pathologist determins if it is cancer or not.


i hope this helps.... if you have any other questions just ask