How is radiotherapy in prostate cancer?

Radiotherapy consists of image-guided irradiation of the prostatic lodge at a dose of 76-78 Gy. It is also a curative treatment. It is now used according to a three-dimensional conformational technique, and aims to reduce the side effects related to the irradiation of adjacent organs. However, patients may complain about: - Radiation cystitis; - Radiation rectitis; - Urethral stenosis; - erectile dysfunction; - Radiation-induced tumor with a relative risk of 1.5 for cancer of the rectum or bladder.