Sentence: Most ( ≥ 75 % ) patients received ESHAP ( etoposide , methylprednisolone , cytarabine , cisplatin ) or DHAP ( cisplatin , cytosine arabinoside , dexamethasone ) as salvage chemotherapy .
Drug combination annotation:
[{'class': 'COMB', 'spans': ['etoposide', 'methylprednisolone', 'cytarabine', 'cisplatin'], 'is_context_needed': True}, {'class': 'COMB', 'spans': [4, 6], 'is_context_needed': True}]