Good and effective treatment in radiotherapy requires careful consideration of the complex variables involved as well as critical assessment of the techniques. This new edition of an established classic takes into account advances in imaging and treatment delivery and reflects the current state of the art in the practice of radiotherapy, emphasizing the underlying principles of treatment that can be applied for conventional, conformal, and novel treatments.

Dr Stephen Morris is Consultant Clinical Oncologist at Guy's and St Thomas' and King's College Hospital. He graduated from Guy's and St Thomas' medical school and trained in clinical oncology at the Royal Marsden Hospital and at the Guy's and St Thomas' cancer centre. As an SPR in 2003 he was a member of the team that set up dynamic prostate brachytherapy at Guy's and is now one of the two consultant clinical oncologists offering this service. He is a clinical oncology college tutor and manages the clinical oncology specialist registrar training at Guy's and St Thomas'.

Dr Tom Roques is Consultant Clinical Oncologist at Norfolk and Norwich University Hospital NHS Foundation Trust. He joined the trust in 2004 as a consultant having trained in Cambridge, Oxford, London and Vancouver. He leads the head and neck cancer multidisciplinary team, is co-chair of the cancer network head and neck group and chair of the cancer network radiotherapy group. He has been clinical director for oncology since 2009.

Dr Shahreen Ahmad, MRCP, FRCR, MD, Consultant Clinical Oncologist, Guy's and St Thomas' NHS Foundation Trust, London

Dr Suat Loo, MRCP, FRCR, Consultant Oncologist, Colchester Hospital, Colchester