Epidemiological analysis of gastric cancer and esophagogastric junction cancer

In the past decades, epidemiological trends of the gastric cancer and esophagogastric junction (EGJ) cancer have changed all over the world. The morbidity and mortality of gastric cancer is on the decline, while the incidence and mortality of EGJ cancer is on the rise. This article summarizes the pathological types and the descriptive epidemiology, including the incidence, mortality, survival rate and its tendency in different gastric cancers and EGJ cancer. It also discusses the influencing factors of gastric cancer and EGJ cancer including environmental and genetic factors, which provides new ideas for the further study of the two kinds of cancers. Key words: Gastric neoplasms; Epidemiology; Esophagogastric junction; Morbidity; Mortality