Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . A metallic stent is seen projecting over the right axilla . Overlying EKG leads are present somewhat limiting assessment . The lungs appear hyperinflated and clear . No large effusion or pneumothorax is seen though the left CP angle is partially excluded . Cardiomediastinal silhouette is unchanged . Mild aortic atherosclerotic calcification is noted . The imaged bony structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Hyperinflated lungs without convincing evidence for pneumonia or edema .