[Dermatofibrosarcoma protuberans--reports of 4 cases and literature review].
D000328:Adult; D000367:Age Factors; D005260:Female; D005354:Fibrosarcoma / Q000453:epidemiology / Q000473:pathology*; D006801:Humans; D008175:Lung Neoplasms; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D012737:Sex Factors; D012878:Skin Neoplasms / Q000453:epidemiology / Q000473:pathology*