Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Normal heart size , mediastinal and hilar contours . No focal consolidation , pleural effusion or pneumothorax . There is a old healed right eighth posterior rib fracture . Fractures of the fourth and fifth right posterior rib and a segmental fracture of the right third rib posteriorly and laterally appear to have minimal callus around them and may be subacute . No displaced left rib fractures identified
    OUTPUT:
    
Old fractures of the right third , fourth , fifth and eighth ribs . No displaced left rib fractures . No pneumothorax .