Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is heterogeneous opacification of the left lower lobe . The lungs are otherwise clear . The hilar and cardiomediastinal contours are normal . There is no pneumothorax or pleural effusion . The pulmonary vascular markings are normal .
    OUTPUT:
    
Left lower lobe pneumonia . Dr . ___ was notified by Dr . ___ ___ telephone on ___ at 12 :25 .