Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained demonstrating no focal consolidation , effusion , pneumothorax . A prominent epicardial fat pad accounts for the mild silhouetting of the left and right heart borders . A rounded calcification projecting over the medial right lung base corresponds with a peripherally calcified nodule in the medial right breast on prior CT . The lungs are hyperinflated with upper lobe lucency and splaying of bronchovasculature compatible with underlying COPD . There is no pleural effusion or pneumothorax . Cardiomediastinal silhouette is normal . Bony structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
COPD without superimposed pneumonia .