Telephone Paramedical Support Prior to the Radiotherapy Simulation Scanner for Patients with Prostate Cancer

After being informed about the study, all patients who have given written informed consent and who met eligibility requirement will be randomized in a simple blind manner ( investigator) in a 1:1 ration. The main question it aims to answer is : Does a phone call before the simulation CT scan has an effectiveness on patients compliance of the recommendations and therefore on obtaining quality images. There is no additional risk of patients involvement.