Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear of consolidation , effusion or pneumothorax . Heart size is mildly enlarged . Mediastinal and hilar contours are normal . No free air under the right hemidiaphragm . Several right - sided rib fractures are chronic .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .