Contribution from Cancer Epidemiological Studies in China

In this issue, we published a few article of epidemiological studies in China, including data on cancer incidence and mortality nationwide in 2006, 10-year time trends of cancer in Beijing, prevalence of HPV and cervical intraepithelial neoplasia among young women, and plasma vitamin D levels and its receptor polymorphisms in association with survival of non-small cell lung cancer, etc. We hope that our readers will be interested in the results of their studies.