Intensity-Modulated Radiotherapy Causes Fewer Side Effects than Three-Dimensional Conformal Radiotherapy When Used in Combination With Brachytherapy for the Treatment of Prostate Cancer

When used in combination with brachytherapy, IMRT offers less Grade ≥2 rectal bleeding, less acute urinary toxicities, and is associated with a higher QOL compared with 3D-CRT.