[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.

Epidemiology of gastroenterologic cancer in Henan Province, China.

Aim: To estimate the mortality rates of gastroenterologic cancers for the period between 1974 and 1999, in Henan Province, China and its epidemiologic features.

Methods: Information on death of patients with cancer was provided by the county-city registries. Population data were provided by the local police bureau.

Risk factors for oesophageal cancer in Linzhou, China: a case-control study.

Linzhou City has one of the highest incidences of oesophageal cancer in China, and in the world. A case-control study was here conducted to investigate potential risk factors in this area. Linzhou Cancer Registry was used to identify cases of oesophageal cancer, aged between 30 and 75, diagnosed between January 1998 and April 1999.

[Trends in the epidemiology of lung cancer in Henan, China].

Background: To evaluate the epidemiological trends of lung cancer in Henan, China.

Methods: Cancer mortality data were collected from 1974 to 1999. The mortality trends of lung cancer were studied.