Radiation treatment of urinary bladder carcinoma.

A series of 602 patients with verified urinary bladder cancer have been treated with full irradiation in the period 1957--1970. As expected, the survival rate decreased with increasing stage of the tumour. Another group was randomized and treated according to either of two fractionation schemes. This trial started in 1971 and shows that there is increased survival and tumour clearance rate with superfractionation.