Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of the chest tubes . Swan - Ganz catheter has been retracted slightly in the interval but still terminates in the right pulmonary artery . Lungs are well expanded . Atelectasis is seen in the lung bases bilaterally . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is unremarkable .
    OUTPUT:
    
Stable exam status post chest tube removal . No evidence of pneumothorax .