[The immunotherapy of bladder tumors and the immunoprophylaxis of disease recurrence].

Therapeutic and preventive effects have been analysed for 84 patients with superficial bladder cancer treated with BCG vaccine. The degree of cell infiltration of the tumor stroma served as a criterion of treatment efficacy and prognosis of recurrence. This degree diminished with augmentation of morphological changes this indicating depression of immunity while tumor formation and increased directly in BCG immunotherapy.