Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Stable elevation of the right hemidiaphragm is noted . Subtle poorly defined opacity is noted in the left lung most notable in the left upper lung which could represent pneumonia . No large effusion or pneumothorax is seen . The cardiomediastinal silhouette is stable . Bony structures are intact .
    OUTPUT:
    
Vague opacities in the left lung concerning for pneumonia . Followup to resolution advised .