International Intraocular Retinoblastoma Classification

**Semantic type:** Classification

**Definition:** A classification system for intraocular retinoblastoma based on the intraocular tumor size, location, extend of serous fluid, and presence of subretinal or vitreous seeds.

**Synonyms:** - ICRB - IIRC - International Classification for Intraocular Retinoblastoma - International Classification of Retinoblastoma