This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
Which of the following is a known complication of modified RPLND (Retroperitoneal Lymphnode Dissection) done for non-seminomatous germ cell tumour of testis? 
Select and explain. 
A. Impotence, B. Bladder atony, C. Dry ejaculation, D. Retrograde ejaculation
D: Retrograde ejaculation
Answer: D: Retrograde ejaculation 
Explanation: Retroperitoneal Lymph Node Dissection (RPLND) RPLND has been the preferred treatment of low-stage NSGCTs A thoracoabdominal or midline Transabdominal approach may be used All nodal tissue between the ureters from the renal vessels to the bifurcation of the common iliac vessels is removed RPLND is associated with significant morbidity, especially with respect to feility in young men. With a standard RPLND, sympathetic nerve fibers are disrupted, resulting in loss of seminal emission Ref: Smith 18th edition Pgno: 385