This monograph tackles one of the most common causes of cancer death in the world, gastric cancer. Each chapter has been written by a variety of experts, in order to introduce the most recent advances in basic research and clinical practice in this field, which have been accomplished by the Japanese Research Society for Gastric Cancer. The book consists of the following six sections: Epidemiology and Prevention, Experimental Cacinogenesis, Pathology, Biology, Diagnosis, and Treatment. This book will be of benefit to oncologists, epidemiologists, basic researchers, surgeons, and physicians in the field.