1. From the Cancer Registry of Norway, Oslo, Norway (N.M., S.S., K.M.T., S.H.); Departments of Radiology (C.I.L.) and Medicine (J.G.E.), University of Washington School of Medicine, Seattle, Wash; Department of Clinical Medicine, Section for Pathology, Centre for Cancer Biomarkers (CCBIO), Bergen, Norway (L.A.A.); Department of Pathology, Haukeland University Hospital, Bergen, Norway (L.A.A.); and Oslo Metropolitan University, Faculty of Health Science, Oslo, Norway (S.H.).