Primary study parameter/endpoint
‘Textbook outcome’ (TO), a combination of outcome parameters reflecting an ideal surgical outcome. Measured 6 months post-operative, the patients postoperative course must comply with the following to meet the definition of TO:no wound complicationsno re-admissions in relation to primary surgeryno re-operation in relation to primary surgery, re-excisions in case of involved margins allowedno unscheduled visit to the outpatient clinic (depending on the centre one or two postoperative visits are usually scheduled)postoperative use of analgesics (6 months) is not increased compared to pre-operative