title: Leiomyosarcoma arising in a chronic venous stasis ulcer.
mesh_terms: D000368:Aged; D002471:Cell Transformation, Neoplastic; D006801:Humans; D007890:Leiomyosarcoma / Q000150:complications* / Q000473:pathology; D008297:Male; D009130:Muscle, Smooth / Q000473:pathology; D012983:Soft Tissue Neoplasms / Q000150:complications* / Q000473:pathology; D014647:Varicose Ulcer / Q000150:complications*