Table 2.

Distribution of incident index and second cancer site among IMPC cases, stratified by study

Second cancer site
BreastColorectalLungProstateUrinary bladderMelanomaKidneyNon-Hodgkin lymphomaEndometrialLeukemiaOtheraTotal
Index cancer siteMECWHIMECWHIMECWHIMECWHIMECWHIMECWHIMECWHIMECWHIMECWHIMECWHIMECWHIMECWHIALL
Breast1110211625170NA23624276307168432126582347
Colorectal152958071036NA224344733170211516467231
Lung31643606NA100100130403313244367
Prostate2NA45NA62NA0NA10NA14NA17NA17NA0NA29NA82NA2780278
Urinary bladder11213018NA0000100000000025227
Melanoma31624169NA111601202152326384583
Kidney2312115NA2010402000202122729
Non-Hodgkin lymphoma41535256NA13121200021244234063
Endometrial730581130NA010200152012614237598
Leukemia3236137NA00101021000021201333
Othera1321144111024NA0111215511211018346129
Total16413315849120651110191144113511422537206019175769654201,385
  • aDetailed cancer distribution for other cancers can be found in Supplementary Table S3 (WHI) and Supplementary Table S4 (MEC).