Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right IJ central venous catheter ends in the right atrium . Decrease in mediastinal winding . Heart size is normal . No focal consolidation or pleural effusion . Mild left basal atelectasis is unchanged . No pneumothorax . Sternotomy wires and mediastinal clips are stable .
    OUTPUT:
    
Stable left basilar atelectasis . Mediastinum is not as wide as on prior studies . No pneumothorax .