Hey i have had a small brownish patch on my thigh. Don't know how long its been there ( maybe a year ) but its been changing. I'm really scared and im only 18 what could it been...when i rub down my thigh it feels harder than the other one and sometimes it feels hot under my skin on my right thigh.. i was looking up Lymphoma but don't know.... could it be Cancer!! Been doing alot of research and doesnt look like any cancers but whats your opinion :S ..Please help!!!!!!! heres a picture off my iphone!! and my leg hasnt had sunlight to it or anything..