Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral hyperinflated lungs with flattening of diaphragms and increased retrosternal clear space consistent with known COPD . Focal opacity in the lingular lobe consistent with pneumonia with possible increased opacity of the left lower lobe suggestive of pneumonia . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Lingular lobe pneumonia with possible right lower lobe pneumonia .