title: Radiation-induced extraskeletal fibrosarcoma: simulating locally recurrent carcinoma of breast.
mesh_terms: D002293:Adenocarcinoma, Scirrhous / Q000532:radiotherapy; D000328:Adult; D000368:Aged; D001943:Breast Neoplasms / Q000175:diagnosis* / Q000532:radiotherapy; D003937:Diagnosis, Differential; D005260:Female; D005354:Fibrosarcoma / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local / Q000175:diagnosis*; D009381:Neoplasms, Radiation-Induced; D012878:Skin Neoplasms / Q000175:diagnosis / Q000209:etiology