title: Ultrasonic diagnosis of retroperitoneal liposarcoma.
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D008080:Liposarcoma / Q000175:diagnosis*; D009364:Neoplasm Recurrence, Local; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis*; D014463:Ultrasonography