<qa>  What is the name of the treatment that patients receive?ARM B: Patients receive oxaliplatin intravenously IV over 2 hours, irinotecan IV over 90 minutes, and leucovorin calcium IV over 2 hours on day 1. Patients also receive fluorouracil IV continuously over 46-48 hours on days 1-2. Treatment repeats every 14 days for 7 courses in the absence of disease progression or unacceptable toxicity. Patients receive either stereotactic body radiation therapy SBRT or hypofractionated image guided radiation therapy HIGRT on days 1-5 of course 8. 