Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . There is mild atelectasis in the right middle and right lower lobes . There is no pneumothorax , pleural effusion or focal consolidation . No definite displaced rib fracture identified .
    OUTPUT:
    
1 . Mild atelectasis in the right middle and right lower lobes . 2 . No definite displaced rib fracture identified .