Author(s): Tan Xu, Lucky Giroh, Tong Yu, and Wenjie Sun
Cancer is currently an important public health issue for Chinese government. Statistically cancer is rated as the leading cause of death and with high disease burden in China. According to the data from the government, there are 3.5 million new cancer cases ever year in China. Several reasons could explain the growing numbers of cancer incidences. First of all, China aging population contributes to increasing cancer prevalence. For example, National Bureau of Statistics of China of 2010 showed that the people aged 65 year or above constitutes 8.87% of china population in 2010. Moreover, environmental risk factors also associated with the cancer.