V09-10 NEWLY ESTABLISHED APPROACH OF AN ENTIRELY RETROPERITONEAL ROBOTIC NEPHROURETERECTOMY. (1st May 2022) - Sparwasser, Peter; Epple, Stefan; Thomas, Anita; Dotzauer, Robert; Böhm, Katharina; Brandt, Maximilian Peter; Gheith, Kamal; Mager, Rene; Kurosch, Martin; Borgmann, Hendrik; Höfner, Thomas; Haferkamp, Axel; et al.