Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal lateral views of the chest . Heart size and cardiomediastinal contours are normal . The lungs are clear without focal consolidation , pleural effusion , or pneumothorax . Chronic fracture of the posterolateral left ___ rib is unchanged .
    OUTPUT:
    
No focal consolidation or pulmonary nodule .