Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of the left chest tube . No pneumothorax . A right internal jugular central venous catheter terminates in the mid SVC , unchanged . There has been interval removal of the endotracheal tube and nasogastric tube . Postoperative mediastinum and cardiac silhouette are likely unchanged given differences in technique . Lung volumes are low , but slightly increased from ___ . No substantial pleural effusion .
    OUTPUT:
    
Post left chest tube removal without pneumothorax .