PROJECTED ACCRUAL: A total of 24-28 patients (8 HLA-A2 positive with prior intravesical BCG, 8 HLA-A2 positive without prior intravesical BCG, 4-6 HLA-A2 negative with prior intravesical BCG, and 4-6 HLA-A2 negative without prior intravesical BCG) will be accrued for this study within 15 months.