Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is rotated . The endotracheal tube terminates at the level of the clavicles . A right IJ central venous catheter likely enters the right atrium . A nasogastric tube courses below the hemidiaphragm into the stomach , distal tip not visualized . There is no pneumothorax . Retrocardiac airspace opacity corresponding to either atelectasis or aspiration is unchanged . The right lung remains clear .
    OUTPUT:
    
No significant interval change in the left basilar retrocardiac airspace opacity , which may be due to atelectasis or aspiration .