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My cat has red, bleeding stomach bumps. Should I take her to the vet?

Updated on September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | unspayed | 25 lbs

My cat has some bumps on her stomach, they're red and round and recently she has started to bite them so in turn there is some bleeding. I read online that it could just be fatty tumor, what can I do? She also lost a tooth a while back, her gums seem to have some blackness, is it concerning or nothing to worry about?

2 Answers

Most Helpful Answer

Ricardo Fernandez, DVM

Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on January 4th, 2018

Thanks for using Petco Pet Education Center, formerly Petcoach! This could be a benign or malignant growth. Based on its location, this could also be a mammary gland tumor which in most cases are malignant. This is often differentiated by a test called a fine needle aspirate (FNA) which is a pain free, inexpensive and easy procedure which in most cases will help reach a diagnosis. Sometimes a biopsy is needed for a definitive diagnosis. I recommend that you have her evaluated by your veterinarian for further assessment and treatment. I am really hoping for something benign. Good luck and have a good day!
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Related Answers from Veterinarians

  • Answered By Mariya Gugel, DVM

    Veterinarian

    Published on December 5th, 2017

    Thank you for using Petco Pet Education Center, formerly Petcoach! The spot on Cozy's belly definitely looks very suspicious of a mass or tumor, especially at her age. I recommend having the area looked at by a vet as soon as possible. Your vet will be able to either remove the mass completely and confirm whether it is malignant or benign, or take smaller samples using a small needle. I hope this helps!

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    1Pet Parents found this answer helpful

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