Cancer data systems.
D000043:Abstracting and Indexing; D002965:Classification; D003625:Data Collection; D003906:Developing Countries; D004739:England; D005060:Europe; D006764:Hospitals, Community; D006801:Humans; D007256:Information Systems; D008499:Medical Records; D009369:Neoplasms / Q000453:epidemiology / Q000401:mortality; D011786:Quality Control; D012042:Registries; D014481:United States