National Cancer Survivors Day is celebrated annually on June 2nd to honor those who have survived cancer, supported others with cancer, and worked to find a cure. The document summarizes statistics that show improvements in cancer survival rates over time, with the 5-year survival rate increasing from 49.1% in 1978 to 66.2% in 2008. It also lists the most common cancers and estimates that the number of cancer survivors in the US will grow to 17.8 million by 2022.