Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral chest radiographs are obtained . Enlargement of the cardiac silhouette is likely due to low lung volumes and AP technique . Dual - lead pacemaker noted projecting over the left chest with leads appropriately placed . Mediastinal contours are unchanged . Pulmonary vascular congestion is improved . There is increased hazy opacification overlying the cardiac shadow to the left of the sternum and overlying the spine on the lateral view . This reflects consolidation in the posterior aspect of the left lower lobe and in the appropriate clinical context , is consistent with pneumonia . Right lung is clear . No pleural effusions and no pneumothorax .
    OUTPUT:
    
1 . Hazy opacification in the posterior segment of the left lower lobe is consistent with pneumonia in the appropriate clinical context . 2 . Improved pulmonary vascular congestion .