Fig. 1From: Hem-o-Lok clip migration into renal pelvis and stone formation as a long-term complication following laparoscopic pyelolithotomy: a case report and literature reviewPreoperative Imaging. a CT image showed left renal stones with mild hydronephrosis. b CT scan revealed part of the HOLC imbedded into renal pelvic wall (red arrow). c A KUB plain displayed the left kidney stones about 25 × 20 mm in sizeBack to article page