Sentence: Goserelin plus tamoxifen after cyclophosphamide , doxorubicin and 5-fluorouracil ( CAF ) chemotherapy resulted in improved disease-free survival compared with CAF alone .
Drug combination annotation:
[{'class': 'POS', 'spans': ['Goserelin', 'tamoxifen', 'cyclophosphamide', 'doxorubicin', '5-fluorouracil'], 'is_context_needed': False}]