title: Invited Commentary.
authors.affiliation: Department of Cardiothoracic Surgery, Children's Hospital of Wisconsin, 9000 W Wisconsin Ave, Milwaukee, WI 53226. Electronic address: jtweddell@chw.org.
authors.forename: James S
authors.initials: JS
authors.lastname: Tweddell
mesh_terms: D000015:Abnormalities, Multiple / Q000473:pathology*; D017546:Angioscopy; D001013:Aorta, Thoracic / Q000002:abnormalities* / Q000473:pathology*; D003330:Coronary Vessel Anomalies / Q000150:complications* / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male