Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided central venous catheter tip terminates in the cavoatrial junction . The heart remains moderately enlarged with a left ventricular predominance . The aorta is unfolded and demonstrates mild calcifications . Low lung volumes are present . No focal consolidation , pleural effusion or pneumothorax is identified . Cholecystectomy clips are demonstrated in the right upper quadrant the abdomen . There are no acute osseous abnormalities .
    OUTPUT:
    
Low lung volumes without acute cardiopulmonary abnormality .