Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and pulmonary vasculature are unremarkable . There is no pleural effusion or pneumothorax . In the right infrahilar region and along the left heart border , opacities are noted , which , in the appropriate clinical context , may represent pneumonia .
    OUTPUT:
    
Possible right / left lower lobe pneumonia .