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Echocardiographic results. (A) Right atrial, (B) right ventricular, and (C) pulmonary artery dimensions, (D) tricuspid valve E/A ratio, and (E) left atrium to aorta ratio one day (-1) before and 30 days after lobectomy and pneumonectomy. *p<0.05 and †p<0.01; compared to preoperative value.
