Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs show persistent right atelectasis of the lung base with elevation of the right hemidiaphragm . Lung are grossly clear . No focal consolidation , pleural effusion , or pneumothorax . Cardiomediastinal and hilar contours are unremarkable .
    OUTPUT:
    
Persistent right lower lobe atelectasis and elevation of left hemidiaphragm .