Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of chest were provided . The lung volumes are low , though allowing for this there is no focal consolidation , effusion , pneumothorax . Biapical pleural parenchymal scarring is noted . The aorta is tortuous , likely accounting for the mildly prominent mediastinal contour . The heart size is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute findings in the chest .