1 Professor, Johns Hopkins Medicine, Department of Radiology and Radiological Science, Department of Oncology and Department of Surgery; Director of Diagnostic Imaging and Body CT at Johns Hopkins University School of Medicine, Baltimore, Maryland; Senior Science Writer, The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins Hospital, Baltimore, Maryland; The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins Hospital, Baltimore, Maryland.
2 Professor, Johns Hopkins Medicine, Department of Radiology and Radiological Science, Department of Oncology and Department of Surgery; Director of Diagnostic Imaging and Body CT at Johns Hopkins University School of Medicine, Baltimore, Maryland; Senior Science Writer, The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins Hospital, Baltimore, Maryland; The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins Hospital, Baltimore, Maryland. Electronic address: eweisbe1@jhmi.edu.