Impact of pelvicalyceal anatomical variation on surgical outcomes of endoscopic combined intrarenal surgery. - Kawase K; Hamamoto S; Taguchi K; Inoue T; Okada S; Sugino T; Isogai M; Torii K; Yanase T; Okada T; Hattori T; Chaya R; et al. (BJUI compass, 2022)