Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly low resulting in slight bronchovascular crowding . Nonetheless , the lungs are clear . No focal consolidation , effusion , pneumothorax , or edema . The heart is normal in size . The mediastinum is not widened . The hila and pleura are unremarkable . The left hemidiaphragm is slightly elevated , likely secondary to - is but non dilated loops of bowel . No subdiaphragmatic free air . No acute osseous abnormality .
    OUTPUT:
    
Slightly low lung volumes but no acute cardiopulmonary process .