<p>Coronary artery aneurysm (CAA) is a rare entity, defined as localized dilation that exceeds the normal vessel diameter by a factor of 1.5. A giant CAA is described as a very large dilation, when diameter exceeds 20 mm. CAA has a preva-lence of 0.02% [Markis 1976]. Different factors may lead to CAA formation, including Kawasaki disease, atherosclerosis, congenital malformations, autoimmune and infectious disor-ders, and percutaneous interventions [Hartnell 1985]. Man-agement of these patients

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... remains controversial due to a lack of data from large series studies.</p><p>We reported a case of a young female patient, who pre-sented with an acute inferior infarction and was diagnosed with a giant right coronary artery (RCA) aneurysm. She underwent aneurysmectomy and revascularization on a beat-ing heart through a right lateral thoracotomy. Due to the minimally invasive nature of this procedure, the patient was able to recover quickly without substantial cosmetic changes.</p>