Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PIC catheter tip projects over distal SVC . Tracheostomy tube is in unchanged position . Left subclavian central venous catheter has been removed . Lung volumes are slightly increased since prior . The right lung base opacity has resolved . Small left pleural effusion has decreased in size . Left lung base consolidation is unchanged , most likely atelectasis . Mild pulmonary edema or mild perihilar pulmonary vascular congestion persists . There is no pneumothorax . Hilar and mediastinal silhouettes are unchanged . Mild - to - moderate cardiomegaly is stable .
    OUTPUT:
    
1 . In comparison to ___ exam , there is mild decrease in small left pleural effusion . 2 . Left lung base consolidation , most likely atelectasis , is unchanged . 3 . Right lung base opacity has largely resolved .