Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate low lung volumes , which results in bronchovascular crowding . The cardiomediastinal and hilar contours are unchanged . There is no pneumothorax , pleural effusion , or consolidation . No radiopaque foreign body detected . Note is made of stable left pleural thickening .
    OUTPUT:
    
1 . No radiopaque foreign body detected . 2 . No acute cardiopulmonary process .