Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is increased opacity in the left lower lobe , best seen on the lateral . There is also a new small left - sided pleural effusion . The right lung is relatively unchanged in appearance . Stable left rib metastases .
    OUTPUT:
    
There is increased opacity in the left lower lobe , best seen on the lateral view , can represent early pneumonia in this clinical setting .