Male patient aged 35 years Reported to OPD with this swelling for last few years which is gradually progressive in nature Kindly comment

A 40 years old patient presented with history of gradual onset of swelling in left thigh. D/d and management of this case.

Subcutaneous growth. Suggest diagnosis and management.

20 years male Tissue from non- healing ulcer over lateral malleolus of left foot . Grossly single 1*1 cm skin covered tissue.Section from the tissue shows a well circumscribd soft tissue mass in the dermis. plz opine

A 38-year-old woman was detected with a subcutaneous mass at the right superior quadrant, a year ago. The mass was getting harder and colour of the skin was changing above it. Suggest the treatment.