Excision biopsy by laparotomy of the known left retroperitoneal mass revealed liposarcoma initially. This gentleman one year later came complaining of an abdominal mass, upon initial evaluation with abdominal and pelvis ultrasound multiple masses were seen demonstrated fatty characteristics (images provided above). Further evaluation by abdomen and pelvis CT with contrast media administration (images provided above), excision biopsy revealed recurrent liposarcoma with the involvement of left renal capsule, descending colon wall and mesentery, tumor nodule on gastric greater curvature, and around the left common iliac artery.