This book is an evidence-based guide to current use of radiation therapy for the treatment of malignancies at major disease sites. It is designed to meet the needs of residents, fellows, and practicing radiation oncologists and will assist in selection and delineation of tumor volumes/fields and dose prescription for intensity-modulated radiation therapy, including volumetric modulated arc therapy for stereotactic radiosurgery or stereotactic body radiotherapy. Each tumor site-related chapter presents, from the perspective of an academic expert, informative cases at different stages in order to clarify specific clinical concepts. The coverage includes case presentation, a case-related literature review, patient preparation, simulation, contouring, treatment planning, image-guided treatment delivery,