Sentence: Background The National Wilms Tumor Study ( NWTS ) approach to treating stage III favorable-histology Wilms tumor ( FHWT ) is Regimen DD4A ( vincristine , dactinomycin , and doxorubicin ) and radiation therapy .
Drug combination annotation:
[{'class': 'POS', 'spans': ['vincristine', 'doxorubicin', 'dactinomycin'], 'is_context_needed': True}]