Validation of a Questionnaire in the French Language for the Patient Experience in Radiotherapy

Complete the RTEQ questionnaire translated and adapted to the French language in patients receiving external radiotherapy. Depending on the number of radiotherapy sessions received, the questionnaire will be completed 1 or 2 times during the study.

Complete the EORTC-PATSAT-C33 questionnaire after completing the RTEQ questionnaire. Depending on the number of radiotherapy sessions received, the questionnaire will be completed 1 or 2 times during the study.