Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear within normal limits . The left lower hemithorax is opacified with a suspected substantial pleural effusion . Patchy opacities are also noted in the right and left upper lobes , better depicted on the lateral view . Bony structures are unremarkable .
    OUTPUT:
    
Findings suggesting multifocal pneumonia including confluent extensive opacification of the left lung base including a substantial suspected left - sided pleural effusion .