Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The Swan - Ganz catheter tip terminates in the pulmonary outflow tract , pulled back compared to prior study from ___ . The endotracheal tube terminates 3 cm above the carina . Bilateral chest tubes are unchanged in position . The enteric tube terminates in the lower esophagus . Median sternotomy wires are intact . The heart is mildly enlarged and the mediastinal silhouette is widened , likely postsurgical and unchanged compared to prior study . Bibasilar atelectasis is noted . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
1 . Swan - Ganz catheter tip terminates in the pulmonary outflow tract , pulled back compared to prior study . 2 . The enteric tube terminates in the lower esophagus . 3 . Widened cardiomediastinal contours likely postsurgical , unchanged compared to prior study . 4 . No pleural effusion or pneumothorax .