A Pilot Study to Determine the Role of Spatulating the Ureter During Pyeloplasty in Children for Ureteropelvic Junction Obstruction in the Robotic Era

Hiroyuki Koga 1, Masafumi Tanaka 1, Takanori Ochi 1, Shogo Seo 1, Yuichiro Miyake 1, Masahiro Takeda 1, Rumi Arii 1, Soichi Shibuya 1, Yuta Yazaki 1, Geoffrey J Lane 1, Atsuyuki Yamataka 1