- Here are the proposed schedules of radiation therapy. If at any point too many subjects experience too many unacceptable side effects, no subject will be enrolled to the next level. Dose Level 1: 10 radiation sessions given Monday-Friday for two weeks. Dose Level 2: 5 radiation sessions given Monday, Wednesday and Friday in Week 1 and Tuesday and Thursday in Week 2. Dose Level 3: 5 radiation sessions given Monday, Tuesday, Thursday and Friday in Week 1 and Monday in Week 2. Dose Level 4: 5 Radiation sessions given Monday through Friday in Week 1.