Incidence trends for upper aerodigestive tract cancers in rural United States counties

Background Recent declines in cancer incidence and mortality have not been distributed equally across the United States. Factors such as tobacco cessation and human papillomavirus presence might differentially affect urban and rural portions of the country. Methods We used the Surveillance, Epidemiology, and End Results database to assess cancer incidence rates and trends from 1973 to 2015. We compared incidence rates for oral cavity,...