%0 Journal Article %T A Case of Renal Pelvic Cancer Complicated by Horseshoe Kidney Treated with RoboSurgeon Gasless Single-Port Retroperitoneoscopic Nephroureterectomy %A Fumitaka Koga %A Hiroaki Suzuki %A Kazumasa Sakamoto %A Ken-ichi Tobisu %A Kosuke Takemura %A Madoka Kataoka %A Masaya Ito %A Yasukazu Nakanishi %J Archive of "Case Reports in Urology". %D 2018 %R 10.1155/2018/3231480 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6167582/