Updated On September 23rd, 2025
Pet's info: Dog | Chihuahua | Female | spayed
My grandmas dog has this bump below her rib cage in the middle of abdomen, I thought it was a fat lump but it's not moveable I can push on it.
1 Answer
Published on September 13th, 2016
Poor Tinker! Some lipomas (fatty tumors) can become fixed, but yes general they are movable. Unfortunately, being fixed to the underlying tissue is a common characteristic of malignant tumors. Any suspicious lumps should be examined by your vet. Your vet can perform a test called a fine needle aspirate on it. To do this, your vet sticks a small needle into the lump to get a sample of it's cells, and examines the cells on a slide under a microscope. It's usually painless to the animal, and relatively quick to perform. I recommend taking Tinker into your vet today or first thing tomorrow.
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