Sentence: Successful treatment of an elderly Langerhans cell sarcoma patient by EPOCH ( etoposide , prednisone , vincristine , cyclophosphamide , and doxorubicin ) chemotherapy .
Drug combination annotation:
[{'class': 'POS', 'spans': ['etoposide', 'prednisone', 'vincristine', 'cyclophosphamide', 'doxorubicin'], 'is_context_needed': False}]