Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are seen and patient is rotated to the left on the frontal view limiting exam . There is no confluent consolidation or effusion . Cardiomediastinal silhouette is grossly unchanged . Right chest wall dual lumen central venous catheter is new since prior . There is no visualized pneumothorax . Hypertrophic changes noted in the spine .
    OUTPUT:
    
No definite acute cardiopulmonary process .