Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated . There is left lower lobe patchy opacity that does not transgress the major fissure on the lateral view . No other focal opacities are present . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Left lower lobe pneumonia .