Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . D dense airspace consolidation with air bronchograms noted in the right lower lung likely residing within the right middle lobe concerning for pneumonia . Left lung is clear . No large effusion or pneumothorax is seen . The cardiomediastinal silhouette appears normal . Bony structures are intact .
    OUTPUT:
    
Right middle lobe pneumonia , possibly also involving the right lower lobe .