We present a case of laparoscopic radical nephrectomy in right renal cell carcinoma with left inferior vena cava in a 65-year-old male. Abdominal contrasted CT scan revealed that the left inferior vena cava crossed the aorta at the level of third lumbar vertebra. Laparoscopic radical nephrectomy was performed transperitoneally. A right gonadal vein drained into the right renal vein. We indentified a right renal vein easily with tracing the right gonadal vein. Left inferior vena cava is a very

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... re congenital anomaly among malformation of inferior vena cava. Recognition of such venous anomalies and making a detailed strategy before operation is important especially in laparoscopic surgery.