Image-Guided Radiation Therapy for Bladder-Cancer Patients Undergoing Radiotherapy and Concurrent Gemcitabine Chemotherapy

"All patients will undergo daily image-guided radiation therapy with concurrent twice weekly gemcitabine chemotherapy. Radiation therapy will begin 2-4 weeks after restaging cystoscopy/fiducial marker placement.~* Dose level #1: 23.4 Gy/1.8 Gy × 13 fractions (total dose 68.4 Gy)~* Dose level #2: 27.0 Gy/1.8 Gy × 15 fractions (total dose 72.0 Gy)~* Dose level #3: 30.6 Gy/1.8 Gy × 17 fractions (total dose 75.6 Gy)"