Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate hyperexpanded lungs . The AP diameter of chest is expanded , suggestive of underlying chronic obstructive pulmonary disease . There is no focal consolidation , pleural effusions , or pneumothorax . Reticular opacities are noted in the right lung base . Hilar and mediastinal silhouettes are unchanged . Heart size is normal . Mild dextroscoliosis of the thoracic spine is seen with associated degenerative changes . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
Hyperexpanded lung , suggestive of chronic obstructive pulmonary disease . Right lung base opacities may represent atelectasis or infection in the appropriate clinical setting .