Incidence, survival and prevalence of esophageal and gastric cancer in Linzhou city from 2003 to 2009.

This study describes recent trends in incidence, survival and prevalence of subgroups of esophageal and gastric cancer in Linzhou city between 2003 and 2009. Data of esophageal and gastric cancer for the period of interest were extracted from the Linzhou Cancer Registry. Using information on tumor morphology or anatomical site, data were divided into six groups; esophageal squamous cell carcinoma, esophageal adenocarcinoma, other and unspecified types of esophageal cancer, and cardia, non-cardia, and unspecified anatomical site of stomach cancer.

[Period survival analysis of esophageal cancer in Linzhou city of Henan province].

Objective: To analyze the survival level and variation of esophageal cancer in Linzhou city of Henan province from 1988 to 2004, and evaluate the effects of diagnosis and treatments on esophageal cancer in this area.

Methods: All incidence and death records for esophageal cancer during 1988 to 2004 were collected from Linzhou Tumor Registry. Cases with duplicate information or death certificate only were excluded.

[Descriptive analysis of incidence and time trends of esophageal and gastric cancers in Linzhou city].

Objective: To analyze the incidence and time trends of esophageal and gastric cancers in Linzhou city bassed on the data of Linxian Tumor Registry, and to provide valid reference data for research and effective estimation of cancer control in this area.

Methods: All incidence records for the both cancers during 1988-2003 were drawn from Linzhou Tumor Registry and grouped by sex, age, year and then linked to corresponding population data. The incidence rates of those two topographic site cancers were calculated and the age-adjusted rates were calculated by direct standardization to the world population.