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Pathohistological Characteristics of 107 Retinoblastomas Examined
| Age median | Unilateral bilateral n (%) | No invasion n (%) | Local invasion (choroidea, opticus) n (%) | Extraorbital growth n (%) | Metastasis n (%) |
|---|---|---|---|---|---|
| 19 months | 52 (49%) | 55 (51%) | 52 (49%) | 7 (7%) | 6 (6%) |
| 55 (51%) |
