[Surveillance after prostate cancer radiotherapy: Evaluation and management of toxicity and relapse].

Prostate cancer is the most frequent cancer among European males with a high survival rate. The economic impact of treatments and follow-up are significant. The objectives of the follow-up after prostate radiotherapy is multiple: diagnosis and treatment of side-effects, early detection of biochemical recurrence, with the aim of proposing a second local treatment to improve quality of life or overall survival and feedback of the treatment results to better inform patients at the beginning of the disease. This article reports incidence of main side-effects (digestive, urinary and sexual) with their treatments and guidelines for clinical and biological follow-up with strategies of imaging studies and salvage treatments.