Fig. 1From: Recurrent metastatic retroperitoneal dedifferentiated liposarcoma: a case report and literature reviewA The tumor occupies the entire left abdominal cavity and pushes the visceral organs of the abdominal cavity to the right abdominal cavity. B The tumor originates from the retroperitoneal region and surrounds the left kidney. The red arrow indicates the vessels of the left renal hilum closely related to the tumorBack to article page