title: Unilaterally regressing retinoblastoma with massive optic nerve involvement in a bilateral lesion.
mesh_terms: D001859:Bone Neoplasms / Q000473:pathology; D002648:Child; D005134:Eye Neoplasms / Q000473:pathology* / Q000601:surgery; D006801:Humans; D009362:Neoplasm Metastasis; D009365:Neoplasm Regression, Spontaneous; D009900:Optic Nerve / Q000473:pathology; D012175:Retinoblastoma / Q000473:pathology* / Q000601:surgery