Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient has had prior median sternotomy . Sternotomy wires are intact and aligned . A left pectoral AICD partially obscures the left lateral mid lung . A Swan - Ganz catheter terminates in the left pulmonary artery . An endotracheal tube terminates at the level of the clavicles . A nasogastric tube enters the stomach , distal tip not visualized . There is no pneumothorax . Moderate right and small left layering pleural effusions with associated bibasilar atelectasis are unchanged . Heart size is prominent despite the projection . Mediastinal contours are stable .
    OUTPUT:
    
No significant interval change .