Fig. 1From: Prospective multicentre cohort study of patient-reported outcomes and complications following major abdominal neoplastic surgery (PATRONUS) – study protocol for a CHIR-Net student-initiated German medical audit study (CHIR-Net SIGMA study)Patient flow chart. CAT computer adaptive testing version, CTCAE Common Terminology Criteria of Adverse Events, EORTC European Organisation for Research and Treatment of Cancer, HRQoL health-related quality of life, PRO patient-reported outcome, PROM patient reported outcome measureBack to article page