Sentence: Long-term safety and outcome of fludarabine , cyclophosphamide and mitoxantrone ( FCM ) regimen in previously untreated patients with advanced follicular lymphoma : 12 years follow-up of a phase 2 trial .
Drug combination annotation:
[{'class': 'POS', 'spans': ['fludarabine', 'cyclophosphamide', 'mitoxantrone'], 'is_context_needed': True}]