Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube is seen 1 .7 cm above the carina and could be pulled back 5 - 10 mm for optimal positioning . A Swan - Ganz catheter terminates in the main pulmonary artery . An enteric tube is seen coiled within the stomach . The patient is status post sternal rewiring . There is no evidence of pleural effusion or pneumothorax . No other significant change from the prior exam .
    OUTPUT:
    
Status post sternal rewiring , no significant change from the prior exam . No evidence of pneumothorax .