Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . There appears to be a right - sided aortic arch . The cardiac silhouette is not enlarged .
    OUTPUT:
    
Clear lungs without focal consolidation . Probable right - sided aortic arch .