title: [Case of retroperitoneal fibrosarcoma manifesting with a clinical picture of periappendicular infiltrate].
mesh_terms: D000328:Adult; D001064:Appendicitis / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005354:Fibrosarcoma / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D008297:Male; D009364:Neoplasm Recurrence, Local / Q000175:diagnosis / Q000601:surgery; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis* / Q000601:surgery; D012207:Rhabdomyoma / Q000175:diagnosis / Q000601:surgery
vernacular_title: Sluchaĭ na retroperitonealen fibrosarkom, protekŭl klinichno s kartinata na periapendikularen infiltrat.