Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lungs are hyperinflated with flattening of the diaphragms bilaterally , consistent with known COPD . There is an area of opacification , likely within the lingula , which could represent a pneumonia . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
1 . Findings consistent with known obstructive lung disease . 2 . Equivocal lingular pneumonia . Recommend follow - up chest radiograph in ___ weeks to assess resolution .