Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left lower lobe opacity seen best on the frontal view is worrisome for pneumonia . No pleural effusion or pneumothorax is seen . The cardiac silhouette is top - normal . Mediastinal contours are unremarkable . Coronary artery stenting is noted .
    OUTPUT:
    
Findings worrisome for left lower lobe pneumonia .