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My dog has a white bump on her chest that's growing. Is it serious?

Updated On September 23rd, 2025

Pet's info: Dog | Golden Retriever | Female | spayed | 2 years and 11 months old | 65 lbs

Hello - I have a 2 (almost 3 year old) female golden retriever. I noticed a small white bump on the top of her left front chest/arm area. It didn't seem to be bothering her (no itching/scratching it). Although now it seems to be getting bigger. Is this something to worry about? Attached are two photos: when we noticed it (2/16/21) and today (2/24/21). There is no puss or anything inside it. But the bump is noticeable when petting our dog.

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1 Answer

Most Helpful Answer

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Answered By Debi Matlack

Veterinary Technician

Published on February 24th, 2021

Since it has changed size in such a short time, I recommend getting it checked by your vet. She's very young to be developing growths or tumors but it isn't unheard of at her age. Your vet will do an exam, some lab work, probably using a needle to sample some cells from inside the lump to try to identify the kinds of cells inside and therefore what is causing the lump. Based on these results, your vet will be better able to tell you what is going on and how best to proceed from there, if it is benign or needs further investigation.

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