Fundamentals of Radiation Oncology: Physical, Biological, and Clinical Aspects, Fourth Edition continues to provide current, concise, and a readily available source of clinical information for busy, practicing radiation oncologists. This book provides updated information regarding new applications of radiotherapy, while still maintaining a strong backbone of basic principles of radiation oncology, radiobiology, and physics. It creatively organizes and summarizes major clinical trials, frequently using helpful tables in each disease site. The edition is updated with content on immunotherapy, combined modality therapy for cancer treatments, the latest radiation therapy techniques for cancer treatments, and landmark clinical trials to support cancer treatment recommendations. In four parts and 30 chapters, the book describes not only the basic science of radiation oncology, the techniques and modalities of radiation oncology , and the clinical science of radiation oncology, but also palliative radiation treatments to improve the quality of life of cancer patients. Figures have been upgraded to color to aid in ?visualization of technical diagrams, radiation treatment target volumes, and radiation treatment isodose lines?.This book is a must-have for all radiation oncology residents, radiation oncologists, and all professionals engaged in the care of cancer patients.