Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral radiographs of the chest reveal bilateral lower lobe and lingular atelectasis . The lungs are otherwise clear . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal . The hilar and cardiomediastinal contours are normal .
    OUTPUT:
    
Mild bilateral lower lobe and lingular atelectasis .