KRAS and colorectal cancer: For example, given that the entire population at MNG-HA has equitable access to care, late stage at diagnosis (31.79% reported here vs 22% in the US) in our population is primarily driven by lack of screening and potentially high prevalence of the Kristen Rat Sarcoma (KRAS) mutations in colorectal cancer, which is an indicator for poor effectiveness of certain treatments [21].