Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated with flattening of bilateral hemidiaphragms , suggesting chronic pulmonary disease . There are no focal consolidations , pleural effusions , or pneumothorax . The mediastinum , hila and heart are within normal limits . There is mild calcification of the aortic arch . No acute osseous abnormalities .
    OUTPUT:
    
1 . No evidence of pneumonia or pulmonary edema . 2 . Hyperaeration with flattening of bilateral hemidiaphragms , consistent with chronic pulmonary disease .