“…Age of parents at birth was modeled as <25, 25-29, and ≥30 years. Age at diagnosis of cancer in the parents was modeled as childhood cancer (age 0-14), adolescent and young adult cancer (age [15][16][17][18][19][20][21][22][23][24][25][26][27][28][29] and adult cancer (age >29). Cancer diagnosis was categorized into cancers in the digestive system (including upper aerodigestive tract, esophagus, salivary gland, stomach, small intestine, colon, rectum, anus, liver, and pancreas), hematological malignancy (including non-Hodgkin's lymphoma, Hodgkin's disease, myeloma, and leukemia), cancers in the male genital organs (including prostate, testis, and other male genital), cancers in the female genital organs (including breast, cervix, ovary, endometrium, uterus, and other female genital), and other cancers (including nose, lung, eye, breast, thyroid gland, and endocrine glands, bladder, kidney, bone, and connective tissue).…”