Cancer epidemiology.
D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008297:Male; D009369:Neoplasms / Q000453:epidemiology* / Q000401:mortality; D009381:Neoplasms, Radiation-Induced / Q000453:epidemiology; D012306:Risk; D012931:Social Environment; D012959:Socioeconomic Factors