Good Day. I Have A Blue Bruise On My Right

Good day. I have a blue bruise on my right buttock. It's been here for a year and a half. The only time I can remember getting maybe the bruise is from my C - section a year and a half ago when I received a reeces injection (negative blood type)
Now of late my right hip is painful. I can't lay on it. And I can't stand too long or sit too long
Iv been to a dermatologist and had a biopsy done. Now I'm waiting on the results. Anything I should be worried about