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Example of ACAOS take-off above the aortic valve commissure. Post-mortem autopsy study of patient who died from idiopathic pulmonary fibrosis while awaiting lung transplant. Autopsy demonstrates an interarterial ARCA with separate take-off from the left coronary cusp above the aortic valve commissure. Image courtesy of Dr Robert Padera (Department of Pathology, Brigham and Women's Hospital, Boston, MA).
