A member asked:

I have a rubbery lump on my rib cage. it causes no pain, but seems to be on the bone. i think it began growing when i was doing exercises for my abdomen.

A doctor has provided 1 answer

Your rib: consists of both bone and cartilage, more of the latter when you are younger. Show it to your doctor just to be sure, but it does not sound alarming.

Answered 11/1/2015

2.1k views

Thank

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