Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . The cardiac , mediastinal and hilar contours are normal . Crowding of the bronchovascular structures is noted , but no pulmonary edema is present . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . Left - sided vagal stimulator device is noted with lead terminating in the region of left apex medially , unchanged . Cholecystectomy clips are seen in the right upper quadrant in the abdomen . There are no acute osseous abnormalities .
    OUTPUT:
    
Low lung volumes but no acute cardiopulmonary abnormality .