[Data bank experience on cancer patients in a radiotherapy department]

6 000 cancer patients records are presently computerized in the department of Radiotherapy of the University of Liége. This registry is closely similar to a hospital based cancer registry. The aims of the registry are: clinical use, descriptive epidemiology and end results. The set up and the use of the registry have underlined the necessity to clarify a certain number of concepts to permit coding; the running cost of such a record estimated in December 1973 is of about 400 Belgian francs.