Questionaires (QLQ-C30 and PRT20 modules) will be held to patients at the beginning and at the end of RT (4weeks) to evaluate the mean increase of lower GI symptoms and descrease in overal QoL after pelvic RT.~For exploratory objectives, GLIM measures for malnutrition diagnosis will be assessed by the PI at the beginning and at the end of RT, CT simulation & dosimetry will be analyze by the PI before treatment to evaluation the body composition and the max and mean dose received by the bowel, the sigmoïde and the rectum and the quality of the patient diet will be assessed by the dietician at the beginning of the RT by the mean of a 24h-recall and DQI-I calculation.
This is a prospective pilot study to evaluate the mean increase of bowel symptoms after pelvic radiotherapy (RT) in prostate cancer (PCa) patient using the validated & newly translated EORTC-QLQ PRT20 module.