Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the right internal jugular central venous catheter extends the cavoatrial junction . The endotracheal tube and gastric tubes are unchanged . Low bilateral lung volumes . Unchanged right hilar prominence . Increasing left lower lung zone opacities possibly reflective of atelectasis and / or consolidation . No pleural effusion or pneumothorax identified .
    OUTPUT:
    
Increasing left mid to lower lung zone opacities which may reflect atelectasis or pneumonia in the proper clinical context .