Epidemiological features for lung cancer in Beijing

The epidemiological features of lung cancer in Beijing during 1977–1986 were analysed. The data collected showed that lung cancer ncidence and mortality rates ranks first among all other malignant tumor and had been on the increase from year to year. The mortality rate in urban area was higher than that in its suburbs. While the male incidence was higher than that of the female. The sex ratio of the male to female incidence rates was 1.56. The incidence rate rises with age. The lung cancer is one of the lesser prevised cancer and the five-year relative survival rate is 6.5% for both sexes in 1982–1983. The lung cancer mortality rate in Beijing urban area is compared in this report with other countries in the world, and it is found that the female mortality rate of lung cancer in Beijing is among the highest.