Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart is top normal size , and cardiomediastinal contours are unremarkable . There is a focal opacity in the left base projecting over the left heart border and over the spine on the lateral view . This likely represents partial left lower lobe opacification and pneumonia in the context of fever and cough . Right lung is clear . No pleural effusions and no pneumothorax .
    OUTPUT:
    
Left lower lobe pneumonia . Note : Dr . ___ was paged to ___ by Dr . ___ on ___ at 3 : 00 pm to discuss the results .