摘要

Authors' objectives: This report aims to identify and summarise evidence that addresses the following questions: 1. Is contact x-ray brachytherapy (CXB) boost as part of a watch and wait strategy clinically and cost-effective for the treatment of early-stage rectal cancer in people who are unable or unwilling to have surgery? 2. Is contact x-ray brachytherapy (CXB) boost as part of a watch and wait strategy clinically and cost-effective for the treatment of operable early-stage rectal cancer?