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My dog has a fast-growing lump near her breast. What should I do?

Updated On September 23rd, 2025

Pet's info: Dog | Pit Bull Terrier | Female | spayed

My 11yo pit has a very fast growing lump around her breast towards the back, in the past month it has grown to size of baseball,,what to do??

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1 Answer

Most Helpful Answer

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Answered By Rebecca, DVM

Veterinarian

Published on July 11th, 2017

Harley should be evaluated to a vet to see what may be causing the lump. It could be an abscess, lymph node or cancer. Dogs can develop mammary cancer so that is definitely a concern. The sooner she is evaluated the better for any potential treatments if it is cancerous.

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