Subsequent malignancies in HL survivors. Second and third malignancies occurring either as ipsilateral malignancies (with different histology) or as contralateral cancers (in paired organs) were included. “Female breast cancer” includes DCIS tumors. Twenty-four patients had a synchronous second and third malignancy (breast, n = 10; urogenital tract, n = 3; GI tract, n = 2; different sites/organ systems, n = 9). Interval in years. GI, gastrointestinal (esophagus excluded); NHL, non-HL.