Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Swan - Ganz catheter is in appropriate position , and 2 left chest tube have been removed . Median sternotomy wires are intact . Lung volumes continue to be low with moderate bilateral pleural effusions and associated atelectasis . No pneumothorax following chest tube removal .
    OUTPUT:
    
No pneumothorax following chest tube removal .