Sentence: Analysis of 52 eyes with high-risk retinoblastoma managed with postenucleation adjuvant chemotherapy using vincristine sulfate , etoposide phosphate , and carboplatin showed no evidence of systemic metastasis in any case during a mean ( range ) follow-up of 66 ( 12 - 202 ) months .
Drug combination annotation:
[{'class': 'POS', 'spans': ['vincristine', 'etoposide', 'carboplatin'], 'is_context_needed': True}]