Urinary Obstruction in Prostate Cancer Patients From the Dutch Trial (68 Gy vs. 78 Gy): Relationships With Local Dose, Acute Effects, and Baseline Characteristics

Relatively early events of urinary obstruction were associated with urinary problems existing before RT, acute toxicity, previous transurethral resection of the prostate, and hotspots in the bladder. Events after 2 years were associated with the local dose in the trigonal area.