Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The chest tubes , Swan - Ganz catheter , nasogastric and endotracheal tubes have been removed . Stable position of the single lead pacemaker in the right ventricle . New left lower lobe and lingular opacity likely atelectasis . There is a new small left pleural effusion . The cardiac silhouette is enlarged . No interstitial pulmonary edema . No pneumothorax .
    OUTPUT:
    
No pneumothorax . New left basal opacity and small pleural effusion .