Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is chronic elevation of the right hemidiaphragm , unchanged from ___ years prior . There are mildly increased vague opacities in the left upper lobe . The heart size remains normal . There is no pleural effusion . There is no pneumothorax .
    OUTPUT:
    
Vague left upper lobe opacities concerning for pneumonia in the correct clinical setting .