Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable upright chest radiograph is compared to radiograph dated ___ . Overall appearance of the chest is not significantly changed . Heart size is normal . Mediastinal and hilar contours are within normal limits . Lungs are clear without a focal opacity convincing for pneumonia . Deformity of the left seventh and eighth lateral ribs again noted with adjacent pleural and parenchymal scarring . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Localized pleural and parenchymal scarring adjacent to healed lower left lateral rib fractures . No acute pulmonary abnormality .