Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion or pneumothorax is seen . The cardiac silhouette is top - normal . The mediastinal contours are unremarkable . There is no pulmonary edema . There may be minimal perihilar , peribronchial thickening .
    OUTPUT:
    
No focal consolidation . Possible minimal perihilar , peribronchial thickening is nonspecific but could be due to a reactive small airways disease .