Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube terminates 6 cm above the carina . Right internal jugular central venous catheter tip projects over mid SVC . Sternotomy wires are intact . Multiple surgical clips project over cardiac silhouette . Left lung base consolidation is unchanged . Left costophrenic angle is obscured , suggestive of small pleural effusion , decreased since prior . There is no pneumothorax . Hilar and mediastinal silhouettes are unchanged . Mild - to - moderate cardiomegaly persists . Perihilar vascular congestion is noted .
    OUTPUT:
    
Persistent left lung base consolidation , likely atelectasis . Left pleural effusion has decreased in size since ___ .