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Fig. 2B. —Congenital unilateral pulmonary vein atresia in 43-year-old woman with dyspnea and hemoptysis. Image from venous phase of pulmonary angiography reveals absence of right pulmonary veins (arrows on left). Note normal left pulmonary veins (arrows on right). LA = left atrium, LUPV=left upper lobe pulmonary vein, LLPV=left lower lobe pulmonary vein.