Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are unchanged , with heart size within normal limits . The pulmonary vascularity is not engorged . Minimal left basilar atelectasis is noted . No focal consolidation , pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities . Multiple old left - sided rib fractures are again noted .
    OUTPUT:
    
No radiographic evidence for pneumonia .