Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Evaluation is somewhat limited due to underpenetration and low lung volumes on the frontal projection though allowing for this there is no focal consolidation effusion or pneumothorax . The heart size appears top - normal though this appears stable . No signs of pneumomediastinum . No overt signs of edema . Bony structures appear intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute abnormalities . Top normal heart size .