Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrate clear lungs bilaterally . Incidental note is made of an azygos fissure at the right apex . Cardiomediastinal and hilar contours are within normal limits . There is no pleural effusion , pneumothorax , or evidence of pulmonary edema . There is no air under the right hemidiaphragm .
    OUTPUT:
    
Normal chest radiographs .