This book is the outcome of 57 years of experience of the author in the treatment, studies and research work related to cancer. It explains in detail, various types of cancers that affect the mankind so that physicians should not erroneously diagnose cases as cancer cases. Wrong diagnosis could prove very harmful. This book also highlights the skill and intelligence required for treating cancer patients. No two cases of cancer are alike so a physician ought to have a thorough knowledge of materia medica to differentiate the symptoms and find the correct simillimum. Different types of cancers are described in alphabetical order for the sake of convenience of the readers. The book is written in an easy to understand language and will prove beneficial to both the layman and the medical practitioners.