Prospective Comparative Study Evaluating the Early Complications of Robot-assisted Radical Prostatectomy Performed as an Outpatient Versus an Inpatient Procedure.

Inclusion Criteria: * Male, aged 18 and over * Patient with prostate cancer for which the multidisciplinary meeting has proposed radical prostatectomy as a therapeutic option (with or without lymphadenectomy) * Patient eligible for outpatient treatment : 1. The patient undertakes to comply with all medical instructions given during surgical consultations and the anaesthetic consultation. 2. The patient has access to personal transport allowing, if necessary, return to the facility or another approved facility (transport time and distance from the facility are not exclusion factors) 3. The patient has access to telephone communication facilities. 4. The patient undertakes not to drive a vehicle and to be accompanied on his return home and for the next 24 hours by a responsible person who will be familiar with the monitoring instructions. 5. The patient plans to remain in hospital overnight if this is deemed necessary by the department's doctors (operator and anaesthetist). The patient accepts this mode of care and its constraints. * Participant affiliated to or benefiting from a social security scheme * The participant has been informed and has given his/her free, informed and written consent (at the latest on the day of inclusion and before any examination required by the research). Exclusion Criteria: * Patient already treated for prostatic carcinoma with brachytherapy, radiotherapy or focal therapy * Patient participating in ongoing research or in a period of exclusion at the time of inclusion * Refusal or inability to comply with the study protocol for any reason whatsoever * Protected participant: adult under guardianship, curatorship or other legal protection, deprived of liberty by judicial or administrative decision.