Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were performed . There is no free air beneath the diaphragm . There is no pleural effusion , pneumothorax or focal airspace consolidation . Biapical scarring is evident . The cardiac silhouette is mildly enlarged but is unchanged . A slightly dilated and calcified tortuous aorta is re - demonstrated . The hilar structures are unremarkable .
    OUTPUT:
    
No air noted under the diaphragm .