Inclusion Criteria. Study group:  Study I:  a) men who received radical radiotherapy or robot-assisted radical prostatectomy for prostate cancer at Innlandet Hospital Trust 01.01.2014 and 31.12.2018; b) alive and living in Innlandet County; c) fluent in Norwegian (orally and in writing); provide written informed consent  Study IIa) the subgroup of participants in Study I who were > 70 years by the time of treatment.  Exclusion Criteria: None  -