Long-term trends and survival analysis of esophageal and gastric cancer in Yangzhong, 1991-2013.
OBJECTIVE:To describe the long-term trends of the incidence, mortality and survival of upper digestive tract cancers in a high-risk area of China.METHODS:We extracted esophageal and gastric cancer cases diagnosed from 1991 to 2013 through the Yangzhong Cancer Registry and calculated the crude and age-standardized incidence and mortality rates.Cance