Expanded, updated, and now in full color throughout, this Fourth Edition presents vital pathophysiology information in an easy-to-understand, easy-to-remember, entertaining, and practical manner. Chapters cover cancer, infection, immune disorders, genetics, blood, and disorders of each body system, highlighting pathophysiologic processes, signs and symptoms, diagnostic test findings, and current treatments. Illustrations, memory joggers, and other special features help readers understand and remember key points. This edition's expanded cancer chapter covers more types of cancer. The Practice Makes Perfect self-test includes more NCLEX(R)-style questions, with rationales for correct and incorrect answers. A companion Website will offer additional information, illustrations, memory joggers, and study cards.