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TR-MRA shows sequential contrast enhancement of large vessels from PA (A), through LA and aorta (B), to IVC (C). Multi-phase images by TR-MRA allows reconstruction of 3D models including CS, IVC, right atrium and LA. CS = coronary sinus, IVC = inferior vena cava, PA = pulmonary artery, TR-MRA = time-resolved magnetic resonance angiography
