Reply from Authors re: Jens Uwe Stolzenburg, Iason Kyriazis, Evangelos Liatsikos. Postoperative Lymphocele Formation after Pelvic Lymph Node Dissection at the Time of Radical Prostatectomy Should Not Be Considered an Inevitable Consequence of the Approach. Eur Urol 2017;71:159-60: Which Lymphatic Vessels Have To Be Secured During Pelvic Lymph Node Dissection for Prostate Cancer?