Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left chest tube has now been removed . No pneumothorax . Lung volumes are low . Basilar atelectasis slightly more prominent . The heart is enlarged . Appearance of the mediastinum is unchanged and within normal limits postoperatively . Remaining support devices are in standard position . Median sternotomy wires appear intact and unchanged .
    OUTPUT:
    
No pneumothorax after left chest tube removal .