Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . There is no effusion or pneumothorax . Patchy density in the right lower lobe and possibly the left lower lobe is new since ___ . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . Widening of the left AC joint is similar to prior . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Possible pneumonia in the right lower lobe .