common cancers / cancers / leukemia / tumor / ovarian cancers / both tumor / sporadic breast cancer / ovarian cancer / sporadic retinoblastoma / Li-Fraumeni Syndrome / hereditary nature / cancer / genetic disease / tumors / retinoblastoma / disease / actual cancer / rare cancers / xeroderma pigmentosa / large bowel cancers / retinoblastoma and familial adenomatous polyposis / detailed cancer / soft tissue sarcoma / skin cancer / adrenal cancer / familial adenomatous polyposis / osteosarcoma / hereditary disease / familial cancers / bilateral cancers / hereditary retinoblastoma / single cancer / hereditary non-polyposis colorectal cancer / hereditary cancer / HNPCC / endometrial cancer / large bowel cancer / urinary tract cancer / specific cancer / genetic disease Cancer / same sporadic cancer / familial cancer / hereditary breast cancer / hereditary cancers / ocular tumor / breast cancer / childhood ocular tumor / brain tumor / different primary cancers / Hong Kong Anti-Cancer Society Cancer / certain cancer / /