Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are normal . Pulmonary vasculature is normal . Patchy ill - defined opacity is seen within the left lower lobe concerning for pneumonia . No pleural effusion or pneumothorax is present . No acute osseous abnormalities detected . Punctate calcifications in the spleen are re - demonstrated compatible with prior granulomatous disease .
    OUTPUT:
    
Patchy opacity in the left lower lobe concerning for pneumonia . Followup radiographs after treatment are recommended to ensure resolution of this finding .