Fig. 1From: Single-stage laparoscopic surgery for bilateral organ tumors using a transumbilical approach with a zigzag incision: a report of two casesEnhanced computed tomography (CT) showing renal tumor and suspected metastatic tumor or concurrent colon cancer. Above, well-enhanced right renal tumor and splenic tumor of Case 1.Below, large enhanced left renal tumor and ascending colon tumor with lymph node swelling of Case 2Back to article page