Quality assuring “Plan of the day” selection in a multicentre adaptive bladder trial: Implementation of a pre-accrual IGRT guidance and assessment module

Background and purposeHypofractionated bladder RT with or without image guided adaptive planning (HYBRID) is a multicentre clinical trial investigating “Plan of the Day” (PoD) adaptive radiotherapy for bladder cancer. To ensure correct PoD selection a pre-accrual guidance and assessment module was developed as part of an image guided radiotherapy quality assurance (IGRT QA) credentialing programme. This study aimed to evaluate its feasibility...