Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is mild right basal atelectasis . Otherwise lungs are clear . No pneumothorax or effusion . Cardiomediastinal silhouette appears normal . No displaced rib fracture . No free air below the right hemidiaphragm peer
    OUTPUT:
    
Mild right basal atelectasis . No displaced rib fracture .