A<unk>  is a systematic collection of data about<unk>  and tumor diseases. The data is collected by<unk> rs.<unk> rs capture a complete summary of patient history, diagnosis, treatment, and status for every<unk>  patient in the United States, and other countries as well. National<unk> rs Association
There exist population-based<unk> es and hospital<unk> es (also called hospital-based<unk> es).
Cancer registry
List of cancer mortality rates
UK statutory notification system
Cigar Register
Occupational lung disease physical examination
Appendix cancer screening
Bath Cancer Research Unit
AIDS epidemiology & demographics