HEALTH-SYSTEM DETERMINANTS OF RETINOBLASTOMA OUTCOMES: A STRUCTURED AUDIT OF DIAGNOSTIC, THERAPEUTIC, AND SUPPORTIVE RESOURCES RELATIVE TO SIOP STANDARDS
Background: Retinoblastoma is the most common intraocular malignancy of childhood and is highly curable when detected early, with survival exceeding 95% in high-income countries. In many low- and middle-income countries (LMICs), survival remains below 40% due to systemic and cultural barriers. Although the International Society of Paediatric Oncology (SIOP) defines minimum standards for manpower a...