i have a lump on the upper part of my belly butten it doesn't hurt when i am sitting or relazing, but as soon as i start jumping, running, walking, stretching or something it hurts very bad. i can feel the lump and it hurts to touch. what is it?
1 doctor answer • 1 doctor weighed in
Psychiatry 25 years experience
5.3k viewsAnswered >2 years ago
Last updated Oct 3, 2016
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