Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal . The hilar and mediastinal contours are normal . The lungs are hyperinflated , otherwise no focal consolidations concerning for pneumonia are identified . Mild left basilar linear atelectasis / scarring is again seen . There is no pneumothorax or pleural effusion . Incidental note is made of a 9 mm lung nodule projecting over the right anterior second rib interspace . Aortic annular calcifications are again noted . Old healed left lower lobe rib fractures are stable .
    OUTPUT:
    
1 . No acute intrathoracic abnormalities identified . Hyperinflated lungs . 2 . 9 mm lung nodule projecting over the anterior second right rib interspace , was not well seen on the prior exam . A CT may be helpful for further evaluation . 3 . Extensive aortic annular calcifications raise concern for aortic stenosis .