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My puppy has a pea-sized lump on its rib cage. What should I do?

Updated on September 23rd, 2025

Pet's info: Dog | Cavalier King Charles Spaniel | Female | unspayed | 2 months and 2 days old

My puppy has a pea size lump on rib cage

1 Answer

Most Helpful Answer

Dr. Melanie, BVSc MS

Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on March 25th, 2019

This could be a cyst or a benign tumor. Any suspicious lumps should be examined by the vet. The vet can perform a test called a fine needle aspirate on it. To do this, the vet sticks a small needle into the lump to get a sample of its cells, and examines the cells on a slide under a microscope. It's usually painless to the animal, and relatively quick to perform. Once the cause of the lump is diagnosed, the vet can discuss treatment options if needed. I would give Lily's vet a call in the morning to make her an appointment. Best of luck.
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