I'm suffering pain in my thigh, due to small round shape tumor it may be, some days it could not pained, from 4, 5 days it's paining a lot. Give suggestions plz. It appears like small round shape, on that a black dot. Sounding that round tumor it's paining a lot. So rounding part becomes chocolate color due to previous treatment, I taken treatment for this before 4 years, but now it's started paining again. Plz suggest