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My senior dog has a new lump. Could it be a cancerous growth?

Updated On September 23rd, 2025

Pet's info: Dog | Bull Terrier | Female | spayed | 14 years and 4 months old

Hi, my 14 year old bull terrier has a new lump. She has lots of lumps and bumps and my vet told me it’s her age and not to worry but this one is different from the rest, I checked her over because my other dog has been showing her a lot more attention and wanting to be with her all the time and licking that area , could you give me any advise please

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Answered By Dr. Elizabeth

Veterinarian

Published on December 14th, 2019

I recommend to have Bettie examined by the veterinarian. Skin masses can be many things but red raised masses are especially concerning for a skin cancer called a Mast Cell tumor. This mass is also ulcerated which is worrisome. Your veterinarian will need to collect a sample of cell to examine under the microscope to determine what this is and if further treatment is needed. Have this checked out soon.

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