Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low which leads to bronchovascular crowding . No focal consolidation is identified . The cardiac silhouette is nonenlarged . The aorta is tortuous . There is no pleural effusion or pneumothorax . There is no free air under the diaphragm .
    OUTPUT:
    
Low lung volumes without acute cardiopulmonary process .