Below is an instruction from Human. Write a response.
    ### Instruction:
    Who is at risk for Retinoblastoma? ?
    ### Response:
    A child who has heritable retinoblastoma has an increased risk of trilateral retinoblastoma and other cancers. A child with heritable retinoblastoma has an increased risk of a pineal tumor in the brain. When retinoblastoma and a brain tumor occur at the same time, it is called trilateral retinoblastoma.
    