Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There are subtle ground - glass opacities within the upper lungs , more in the periphery of the lungs which could represent pneumonia . No effusion or pneumothorax . Cardiomediastinal silhouette is stable . Bony structures are intact .
    OUTPUT:
    
Poorly defined ground - glass opacities in the periphery of the mid lungs , concerning for pneumonia .