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My 14-year-old cat has a large tummy lump. Is it serious or benign?

Updated On September 23rd, 2025

Pet's info: Cat | Turkish Angora | Female | spayed

Hi, I have a concern about my cat. She is a 14 year old Turkish Angora cat. She was being playful a few days ago and rolling on her back so I was rubbing her tummy when I noticed a lump. I first thought it may have been just a nipple but it was larger than that. I don't know if it's banine or something to be worried about. I just tried taking a photo of it but this was the best I could get as she doesn't much like being put on her back. Any help would be appreciated. Many thanks, Lauren

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1 Answer

Most Helpful Answer

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Answered By Dr. B. DVM, DACVIM (Oncology)

Veterinarian

Published on April 27th, 2019

It is hard to tell from the photo but is the mass between your fingers? If so, that appears quite large. Is it associated with a mammary gland? If so, it could be a mammary gland tumor, especially if she was spayed later in life. The A mass is a collection of cells which can be benign (inflammation, benign tumor) or a malignant tumor. The only way to know what it is is for your vet to sample it. Typically we start with a needle aspiration for cytology to the lab. In most instances this can help diagnose whether a mass needs to be removed surgically. Not all masses can be diagnosed this way however and biopsy may be needed. Given the size of this mass, and proximity to the mammary gland, i would have it evaluated. I hope this helps and thank you for using Petco Pet Education Center, formerly Petcoach!

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