Objective To analyze the clinical and pathological feature changes of gastric cardia adenocarcinoma( GCA) among 40 years. Methods The data of patients with GCA during 1974-2013 were collected and stratified by diagnosis time,the clinicopathological features of GCA in different periods were compared,and the clinical and pathological feature changes of GCA among40 years were explored. Results The major gender of GCA in China was male among 40 years,showing a gradual rising trend,and the median age of onset wa...