Cancer toll falling in the USA.
D002423:Cause of Death / Q000639:trends*; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening; D009369:Neoplasms / Q000401:mortality* / Q000517:prevention & control; D014481:United States / Q000453:epidemiology