[Retroperitoneal liposarcoma with lung, skin and pancreatic metastases].

Liposarcomas are soft-tissue tumors usually located in the lower extremities and the retroperitoneum. We describe the case of a woman with this neoplasm and a prior familial history of lipoma. Skin, lung and pancreatic metastasis and systemic signs developed quickly. Clinical aspects and the main tools for diagnosing these neoplasms are described.