Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral radiographs of the chest demonstrate clear lungs without pleural effusion , focal consolidation concerning for pneumonia or pneumothorax . The pulmonary vasculature is not engorged . The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits . The thoracic aorta is mildly tortuous . Healed fractures are noted in the posterolateral right sixth and seventh ribs .
    OUTPUT:
    
No radiographic evidence of pneumonia .