Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The Swan - Ganz catheter has been replaced with a internal jugular line . NG tube and endotracheal tube have been removed . Segmental atelectasis remains . No evidence of pneumonia or large pleural effusion . No evidence of pneumothorax . Cardiomediastinal silhouette has a postoperative appearance .
    OUTPUT:
    
No pneumothorax status post chest tube removal