Malignant degeneration in varicose ulcers of lower extremities.
D002277:Carcinoma; D002294:Carcinoma, Squamous Cell / Q000209:etiology*; D006801:Humans; D035002:Lower Extremity; D014456:Ulcer; D014647:Varicose Ulcer; D014648:Varicose Veins; D014680:Veins
CARCINOMA, EPIDERMOID/etiology and pathogenesis; VARICOSE VEINS/ulcers