Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The previously seen left lower lobe pneumonia has resolved . The lungs are clear . There is no pleural effusion or pneumothorax . No new infiltrate . The cardiac , mediastinal , and hilar contours are normal . The diaphragms are slightly flattened and the lungs are hyperexpanded suggestive of COPD .
    OUTPUT:
    
1 . Resolution of left lower lobe pneumonia . 2 . Lung findings compatible with COPD .