Inclusion Criteria:  Man or woman. Age ≥ 18 years. Patient treated for cancer. Patient who can read and understand French. Patient seen in an oncology or oncogeriatric consultation or treated in an outpatient clinic. Patient in treatment or about to start treatment that has been offered to them, from the announcement consultation to 2 years after the start of treatment  Exclusion Criteria:  Patient hospitalised for longer than 24 hours. Patient with know cognitive impairment preventing them from answering the questionnaire.