title: Presacral liposarcoma.
mesh_terms: D000328:Adult; D001707:Biopsy, Needle; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008067:Lipoma / Q000175:diagnosis / Q000473:pathology; D008080:Liposarcoma / Q000175:diagnosis / Q000473:pathology*; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis / Q000473:pathology*; D012445:Sacrococcygeal Region