My dog has a red, uncomfortable lump on her back leg. What is it?

Question

Ive found a lump on my dogs back leg like a ball its red and she seems abit uncomfortable me touching it what cud this be? Pet's info: Dog | Irish Terrier | Female | unspayed | 4 years and 2 months old | 18.739 lbs

Linda G, MS, DVM · Accepted Answer

Hello, this looks like a histiocytoma, a benign tumor. Fairly common in younger dogs, it usually spontaneously regresses without treatment. Have your veterinarian take a look to make sure that it is not anything else. Thank you for using Petco Pet Education Center, formerly Petcoach.

My dog has a red, uncomfortable lump on her back leg. What is it?

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