Data on 1742 cases, treated with radiotherapy in recent eight years from June 1972 to Dec. 1979, were analized. Among them, the number of cases Head and Neck Cancer were 568, Lung and Mediatinum 370, Female Pelvis 319, and these composed 72%. The number of old age patients more than 70 year old were 454 and they were 26% of whole irradiated patients.
