Primary cardiac fibrosarcoma.
D000328:Adult; D005354:Fibrosarcoma / Q000473:pathology* / Q000601:surgery / Q000648:ultrastructure; D006338:Heart Neoplasms / Q000473:pathology* / Q000601:surgery / Q000648:ultrastructure; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning