Radiotherapy physics, second edition is a comprehensive, practical int roduction to radiotherapy physics. It provides detailed descriptions o f current techniques, written by experienced practitioners who review current methods and give specific guidance in their own areas of exper tise. This new edition reflects the significant changes that have occu rred in radiotherapy equipment and techniques - the routine use of MLC s, the delivery of IMRT, advances in imaging technology for planning ( eg MRI, CT-simulator) and for treatment verification (EPIDs). There ha ve also been significant changes...