Would you offer a patient with pT4 renal urothelial cancer adjuvant RT for a positive margin if re-excision is not possible?

Adjuvant radiation therapy for upper tract urothelial cell carcinoma (UTUC) has historically been performed, but is currently not recommended by most cooperative guideline groups (NCCN, European Association of Urology,...). Due to the relative scarcity of this disease, there is no randomized data. L...