Fig. 1From: The impact of gender difference on operative time in laparoscopic partial nephrectomy for T1 renal tumor and the utility of retroperitoneal fat thickness as a predictor of operative timeThe methodology of measurement of retroperitoneal fat tissue thickness using axial computed tomography imaging. The measurement of retroperitoneal fat tissue thickness is performed at the slice that showed the renal vein on the treated kidney sideBack to article page