If parents notice one or more of the following features suggestive of retinoblastoma, they should consult an eye specialist as soon as possible.
Heritable retinoblastoma is associated with a faulty RB1 gene present in every cell of the body, which increases the lifetime risk of developing other tumours or cancers.
Note: The conditions associated with a faulty RB1 gene and their risk estimates may change as more information is available.
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