Sentence: Initial treatment with either neoadjuvant chemoradiation ( CRT ) or induction FOLFOX ( 5-Fluorouracil , leucovorin , and oxaliplatin ) chemotherapy followed by CRT is considered standard treatment for locally advanced rectal cancer .
Drug combination annotation:
[{'class': 'POS', 'spans': ['5-Fluorouracil', 'leucovorin', 'oxaliplatin'], 'is_context_needed': False}]