Childhood Extraocular Retinoblastoma

**Semantic type:** Neoplastic Process

**Definition:** Retinoblastoma during childhood that has spread beyond the eye.

**Synonyms:** - Childhood Metastatic Retinoblastoma - Childhood Metastatic Retinoblastoma - Extraocular Retinoblastoma - Pediatric Extraocular Retinoblastoma