Fig. 2From: Comparison between intravenous chemotherapy and intra-arterial chemotherapy for retinoblastoma: a meta-analysisThe fundus photographs of group A-E eyes of retinoblastoma. Group A: Eyes with small discrete tumors away from critical structures; Group B: Eyes with no vitreous or subretinal seeding and discrete retinal tumor of any size or location; Group C: Eyes with only focal vitreous or subretinal seeding and discrete retinal tumors of any size and location; Group D: Eyes with diffuse vitreous or subretinal seeding and/or massive, nondiscrete endophytic or exophytic disease; Group E: Eyes that have been destroyed anatomically or functionally by the tumorBack to article page