Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views the chest provided . There is opacity in the right upper lobe compatible with known lung cancer . The overall extent of consolidation appears increased in the short interval raising potential concern for a postobstructive pneumonia . Subtle opacity is linear in the left lower lung which may represent atelectasis . No large effusion or pneumothorax . Cardiomediastinal silhouette is unchanged . Bony structures are intact .
    OUTPUT:
    
Opacity in the right upper lung appear slightly increased , concerning for known malignancy with possible superimposed pneumonia .