Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate clear lungs without effusion or pneumothorax . The cardiac silhouette is normal in appearance , and the mediastinal contours are normal .
    OUTPUT:
    
No acute chest pathology . Findings were discussed with Dr . ___ at 3 :30 p .m . by phone .