Adaptive Radiotherapy and MRIs Based on Patients With Newly Diagnosed High-Grade Glioma

"Each patient will undergo a brain MRI at the following time points:~1. Baseline- within 2 weeks prior to the start of chemo-RT,~2. Week #1- on Fractions # 4 or 5~3. Week #2- between Fractions # 6-10 (at least 5 days after the Week 1 MRI)~4. Week #3- between Fractions # 11-15 (at least 5 days after the Week 2 MRI)~5. Week #4- between Fractions # 16-20 gadolinium contrast (at least 5 days after the Week 3 MRI)~6. Week #5- on Fractions # 24 or 25 (after the start of the Conedown)~7. Week #6- +/- 3 days of Fraction #30 (end of RT)~Patients receiving hypofractionated radiotherapy will undergo a brain MRI at the following time points:~1. Baseline- within 2 weeks prior to the start of your standard of care chemotherapy radiation treatment (chemo-RT),~2. Week #1 - on Fractions #4 or 5~3. Week #2 - between Fractions #6-10 (at least 5 days after the Week 1 MRI)~4. Week #3 - between Fractions #11-15 (at least 5 days after the Week 2 MRI)"