The most common second malignant in survival of retinoblastoma: (A) Thyroid cancer, (B) Nasopharyngeal carcinoma, (C) Optic glioma, (D) Osteosarcoma
Answer is D. Osteogenic sarcoma is the most common ocular malignancy in retinoblastoma. IT occurs in hereditary cases Refer khurana 6/e p 421