Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate well expanded lungs . There is residual opacification seen in the right mid lung field , and streaks of atelectasis at the right and left mid lung fields . There are no pleural effusions or pneumothoraces seen . The cardiomediastinal and hilar contours are unremarkable .
    OUTPUT:
    
Small residual opacification in the right mid lung lobe and mild streaks of atelectasis in the right and left mid lung fields .