Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Right - sided aortic arch is incidentally noted . Mediastinal and hilar contours are otherwise unremarkable . Patchy ill - defined opacity is noted within the right middle lobe concerning for pneumonia . No pleural effusion or pneumothorax is demonstrated . No acute osseous abnormality is visualized .
    OUTPUT:
    
Right middle lobe pneumonia . Followup radiographs after treatment are recommended to ensure resolution of this finding .