Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear within normal limits . There is no pleural effusion or pneumothorax . In addition to vague opacity probably localizing to the left lower lobe there is an extensive right perihilar consolidation primarily involving the right upper lobe , most consistent with pneumonia .
    OUTPUT:
    
Findings consistent with multifocal pneumonia although most extensive in the right upper lobe .