Sentence: Phase II Study of Sorafenib Combined with Concurrent Hepatic Arterial Infusion of Oxaliplatin , 5-Fluorouracil and Leucovorin for Unresectable Hepatocellular Carcinoma with Major Portal Vein Thrombosis .
Drug combination annotation:
[{'class': 'POS', 'spans': ['Sorafenib', 'Oxaliplatin', '5-Fluorouracil', 'Leucovorin'], 'is_context_needed': True}]