Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs . The lungs are clear . There is no pleural effusion or pneumothorax . The cardiac , hilar , and mediastinal contours are within normal limits . Subtle thickening of the bronchial interstitium may represent mild bronchitis .
    OUTPUT:
    
No radiographic evidence of sarcoidosis .