Book excerpt: Publisher's Note: Products purchased from 3rd Party sellers are not guaranteed by the Publisher for quality, authenticity, or access to any online entitlements included with the product. Thoroughly revised and reformatted, the sixth edition of Cancer Chemotherapy, Immunotherapy and Biotherapy reflects recent significant changes in cancer treatment. This newly streamlined edition contains full-color illustrations, more tables for quick reference, and new immunotherapy and molecular targeted therapy content that brings you fully up to date with the state of the art in all current cancer therapies.