Sentence: A prospective phase 2 trial of short-course ( SC ) radiation therapy ( RT ) with 25 Gy over 5 fractions , followed by 4 cycles of 5-fluorouracil , oxaliplatin , and leucovorin ( mFOLFOX6 ) before surgery was recently completed at our institution .
Drug combination annotation:
[{'class': 'POS', 'spans': ['5-fluorouracil', 'oxaliplatin', 'leucovorin'], 'is_context_needed': True}]