Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the endotracheal tube projects over the mid thoracic trachea and a gastric tube extends into the stomach . Surgical clips project over the right upper quadrant . There is a retrocardiac opacity which may reflect atelectasis and / or consolidation . A small left pleural effusion is also suspected . No pneumothorax identified . The size the cardiac silhouette is enlarged .
    OUTPUT:
    
Retrocardiac opacity may reflect a combination of atelectasis / consolidation and a small layering pleural effusion .