Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest was obtained . The patient is status post median sternotomy and CABG . There is moderate pulmonary edema . Bibasilar opacities are seen , which could relate to prominent vascular structures , although underlying consolidation due to aspiration is not excluded . No large pleural effusion is seen , although a trace right pleural effusion would be difficult to exclude . The cardiac silhouette is top normal to mildly enlarged . The aorta is calcified . Right paratracheal opacity is seen , which could be due to prominent vascular structures ; however , underlying consolidation is not excluded . Chronic - appearing deformity of the proximal left humerus is partially imaged .
    OUTPUT:
    
1 . Mild - to - moderate pulmonary edema . 2 . Right paratracheal opacity could be due to pulmonary vascular structures though underlying consolidation is not excluded . Additionally , bibasilar opacities may relate to prominent vascular structures , although underlying aspiration is not excluded .