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Schematic showing the central location of the aortic valve and the vulnerability of the cusps in relation to adjacent surgery. RCC: right coronary cusp; LCC: left coronary cusp; NCC: non-coronary cusp; TV: tricuspid valve; MV: mitral valve; PV: pulmonic valve; MPA: main pulmonary artery; LA: left atrium; RA: right atrium; IAS: interatrial septum.
