Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cortical deformity along the anterolateral right second rib may represent a chronic rib fracture . No evidence of acute rib fracture . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The heart is top - normal in size . The mediastinal silhouette is unremarkable .
    OUTPUT:
    
Cortical deformity along the anterolateral right second rib may represent a chronic rib fracture . No evidence of acute rib fracture .