Retinoblastoma, also known as trilateral retinoblastoma, is related to familial retinoblastoma and bilateral retinoblastoma. An important gene associated with Retinoblastoma is RB1 (RB Transcriptional Corepressor 1), and among its related pathways/superpathways are Chks in Checkpoint Regulation and DNA Damage. The drugs Sargramostim and Nicotine have been mentioned in the context of this disorder. Affiliated tissues include retina and eye, and related phenotypes are retinoblastoma and strabismus