Inclusion Criteria, Study group:  having received radical radiotherapy or robot-assisted radical prostatectomy for prostate cancer at Innlandet Hospital Trust 01.01.2014 and 31.12.2018 alive and living in Innlandet County fluent in Norwegian (orally and in writing) provide written informed consent age 70 years or more by the time of treatment having participated in the foregoing parts of the overarching project, part I and IIA (NCT04863352), both cross-sectional studies using questionnaires/patient reported outcome measures.  Exclusion Criteria:  - survivors with clinically significant relapse (verified metastases/local progression and/or start of lifelong antiandrogen therapy)