[RETROPERITONEAL LIPOSARCOMA. REPORT OF 3 CASES].
D008080:Liposarcoma; D009369:Neoplasms / Q000175:diagnosis* / Q000453:epidemiology* / Q000532:radiotherapy*; D010336:Pathology; D012186:Retroperitoneal Neoplasms; D013514:Surgical Procedures, Operative; D014567:Urography
LIPOSARCOMA; NEOPLASM DIAGNOSIS; NEOPLASM RADIOTHERAPY; NEOPLASM STATISTICS; PATHOLOGY; RETROPERITONEAL NEOPLASMS; SURGERY, OPERATIVE; UROGRAPHY
LIPOSARCOMA RETROPERITONEAL. (A PROP'OSITO DE TRES OBSERVACIONES)