Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A patchy opacity in the left lower lobe is concerning for pneumonia . Cardiac size is normal . The right lung is clear except for a small impacted bronchus versus vessel on end in the right lower lobe . No pneumothorax or pulmonary edema .
    OUTPUT:
    
Patchy opacity in the left lower lobe concerning for pneumonia . Change initial read discussed with Dr . ___ via telephone at approximately 11 :00 .