Fig. 1From: Perioperative factors influencing the difficulty of retroperitoneal laparoscopic adrenalectomy: a single-center retrospective studyScatter Plots of risk factors and the length of operation (a DARP. b TD. c DAK. d age). (TD tumor diameter, DAK distance from lower pole of adrenal tumor to upper pole of kidney, DARP distance from adrenal tumor to renal pedicle)Back to article page