Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube terminates at the level of the clavicles . The nasogastric tube takes an unusual course along the lateral right heart border , and is probably coiled within a large hiatal hernia . There is no pneumothorax or pneumomediastinum . The heart appears mildly enlarged despite the projection . Aortic arch calcifications are incidentally noted . An increasing right basilar airspace opacity may either be due atelectasis or infection .
    OUTPUT:
    
Increasing right basilar airspace opacity may be due to atelectasis or infection . NG tube likely coiled in a large hiatal hernia .