Median time to SN development after HCT. Median time to SNs for all new diagnoses was 7.5 years (IQR, 3.5-10.4; range, <1 to 18.5). Median time to SNs by tumor type was as follows: AML: 1.8 years (IQR, 1.0-3.7; range, <1 to 7.5); acute lymphoblastic leukemia (ALL): 2.7 years (IQR, <1 to 3.6; range, <1 to 3.6); MDS: 4.2 years (IQR, 3.8-7.7; range, <1 to 10.2); skin: 7.2 years (IQR, 2.9-7.9; range, <1 to 11.3); oropharyngeal: 10.2 years (IQR, 8.2-14.5; range, 1-18.5); solid tumors: 8.6 years (IQR, 6.1-10.6; range, <1 to 17.9); and other SNs, unspecified: 14.6 years (IQR, <1 to 18.1; range, <1 to 18.1).