Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 views were obtained of the chest . The lungs are mildly hyperexpanded , which can be seen in chronic obstructive pulmonary disease . There is no focal consolidation , pleural effusion or pneumothorax . The heart is normal in size with normal cardiomediastinal contours .
    OUTPUT:
    
Hyperexpanded lungs without acute intrathoracic process .