(UroToday.com) The ASCO GU 2021 Genitourinary Cancers Symposium annual meeting included an invited discussant presentation by Dr. Pilar Laguna from The Netherlands to discuss “Imaging modality and frequency in surveillance of stage I seminoma testicular cancer: Results from a randomized, phase III, factorial trial (TRISST)” and “SEMS trial: Result of a prospective, multi-institutional phase II clinical trial of surgery in early metastatic seminoma.”