Giant recurrent mixed-type liposarcoma of the retroperitoneum: report of a case and review of literature.

Retroperitoneal liposarcoma is a rare tumor with an incidence of 2.5 per million individuals, especially tumors of mixed histologic pattern. We present a case of a 63-year-old woman with a history of slowly increasing abdominal volume over 2 years. The diagnosis of giant and multiple retroperitoneal mass suspected of liposarcoma was confirmed by computed tomography. The patient underwent resection…