Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and pulmonary vasculature are normal . The lungs are grossly clear . Vague opacity in the bilateral bases may represent pneumonia . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Vague bibasilar opacities may represent multifocal pneumonia in the appropriate clinical context . Follow - up examination in ___ weeks is recommended to document resolution .