Retinoblastoma usually affects children under which age?

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Multiple Choice

Retinoblastoma usually affects children under which age?

Explanation:
Retinoblastoma is most often a pediatric cancer, with the vast majority of cases diagnosed before a child reaches five years old. This early onset reflects the tumor’s origin in retinal cells during early childhood, and the hereditary form commonly presents in toddlers and preschoolers. While it can rarely be diagnosed after age five, those cases are much less common, so the under-five age range best fits the typical presentation.

Retinoblastoma is most often a pediatric cancer, with the vast majority of cases diagnosed before a child reaches five years old. This early onset reflects the tumor’s origin in retinal cells during early childhood, and the hereditary form commonly presents in toddlers and preschoolers. While it can rarely be diagnosed after age five, those cases are much less common, so the under-five age range best fits the typical presentation.

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