Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube terminates 4 cm above the carina . Enteric tube ends within the stomach . The lungs are hyperexpanded but clear . No pleural effusions or pneumothorax . Cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits .
    OUTPUT:
    
Markedly hyperexpanded lungs with no evidence of intrathoracic malignancy or infection .