Cystectomy after radiotherapeutic ablation of invasive transitional cell cancer.

Of 282 patients with invasive bladder carcinoma treated by a combined protocol of preoperative irradiation and total or partial cystectomy 84 had no residual carcinoma in the surgical specimens. Of these 84 patients who have been at risk for 12 to 149 months 59 (70 per cent) are alive.