This book has its roots in a monograph on cancer of the esophagus and gastric cardia edited by us in 1965 and published in Chinese on ly. Along with a number of colleagues in various fields, we summa rized our work in the epidemiology, pathology, diagnosis, radiother apy, and surgery of carcinoma of the esophagus and gastric cardia, carried out chiefly at Peking Union Medical College Hospital, Fu wai Hospital, and the Cancer Institute of the Chinese Academy of Medical Sciences during the 25 years from 1939 to 1964. In the 18 years since the publication of that monograph, further progress has...