Cancer is a disease characterized by the uncontrolled growth and spread of abnormal cells in the body. Oncology is an area of medicine that focuses on the prevention, diagnosis, and treatment of cancer. The field of oncology encompasses several subspecialties, such as surgical oncology, medical oncology and radiation oncology. Surgical oncology deals with surgical procedures to remove cancerous tumors and surrounding tissues, in order to eradicate the disease. Medical oncology focuses on the systemic treatment of cancer, utilizing chemotherapy, targeted therapies, immunotherapies and other medications to combat cancer cells throughout the body. Radiation oncology employs radiation therapy, using high-energy radiation to target and destroy cancer cells in specific areas. This book brings forth some of the most innovative concepts and elucidates the unexplored aspects of oncology. It is appropriate for students seeking detailed information in this area of medicine as well as for experts.