Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal and hilar contours are within normal limits . Pulmonary vasculature is not engorged . Patchy ill - defined opacity is seen within the lingula concerning for pneumonia . Right lung is clear . No pleural effusion or pneumothorax is present . No acute osseous abnormality is visualized .
    OUTPUT:
    
Findings concerning for lingular pneumonia . Followup radiographs after treatment are recommended to ensure resolution of this finding .