Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is consolidation at the left lung base with air bronchograms . There is opacification of the left upper lobe . There is also opacity in the right lung base . There is mild pulmonary edema . The cardiac silhouette is mildly enlarged . There is a large left perihilar mass causing mass effect on the trachea with rightward deviation . There is a moderate left pleural effusion . No pneumothorax is identified .
    OUTPUT:
    
1 . Large left perihilar mass causing mass effect on the trachea and rightward deviation . This was better characterized on outside CT chest performed on ___ . Opacity in the left upper lobe is likely due to postobstructive pneumonia . 2 . Consolidations at the left lung base with air bronchograms as well as the right lung base concerning for multi focal pneumonia . 3 . Moderate left pleural effusion with mild pulmonary edema .