This document discusses the estimated incidence, mortality, and 5-year prevalence of four common cancers - cervical cancer, breast cancer, lung cancer, and stomach cancer - globally and in India in 2012. It also lists some of the main risk factors and preventive measures for each type of cancer. The risk factors discussed include age, family history, lifestyle factors like smoking and diet, occupational exposures, socioeconomic status, and infections. The preventive measures recommended are public education campaigns, screening programs, lifestyle changes like quitting smoking and improving diet, and early detection and treatment of cancers.