Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are well - expanded . There is no focal consolidation , pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal . The imaged upper abdomen is unremarkable . Again seen are old healed rib fractures of left posterior fifth and sixth ribs .
    OUTPUT:
    
No acute cardiopulmonary process .