translation.en: Approximately 30 years ago, when I was in oncology at the Children's Hospital a father and a son walked into my office and they both had their right eye missing, and as I took the history, it became apparent that the father and the son had a rare form of inherited eye tumor, retinoblastoma, and the father knew that he had passed that fate on to his son.
translation.zh: 大约在30年以前， 当我还在 费城儿童医院的肿瘤科 一对父子走进我的办公室 他们两人都没有了右眼， 当我询问了病史，很明显 父亲和儿子都患有一种罕见形式的 遗传性的眼睛肿瘤，视网膜母细胞瘤， 父亲知道他把那种噩运 传给了儿子。