Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Fusion hardware is partially noted in the lower C - spine . Minimal opacity is seen projecting over the right lower lung on the frontal view which could represent a very early pneumonia or atelectasis . No large effusion or pneumothorax . Cardiomediastinal silhouette is stable . Bony structures are intact .
    OUTPUT:
    
Possible early pneumonia versus atelectasis at the right lung base .