We determine if intravesical bacillus Calmette-Guerin (BCG) reduces the risk of progression after transurethral resection to stage T2 disease or higher in patients with superficial (stage Ta, T1 or carcinoma in situ) bladder cancer.
Intravesical bacillus Calmette-Guerin reduces the risk of progression in patients with superficial bladder cancer: a meta-analysis of the published results of randomized clinical trials.