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African Journal of Urology
Fig. 3 | African Journal of Urology

Fig. 3

From: Patency period of a metallic ureteral stent and its determinants in patients with malignant ureteral obstruction: a prospective review

Fig. 3

a One month after placement of the polymer ureteral stent. b We performed retrograde pyelography again if re-evaluation was considered necessary, such as for a tortuous ureter noticed at the initial stent placement. c We confirmed that the proximal curl of the stent was located in the renal pelvis, and the distal curl was located in the bladder

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