Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are noted with secondary crowding of the bronchovascular markings . The lungs are clear without consolidation or effusion . Right chest wall port is seen with catheter tip at the RA SVC junction . Posterior spinal fixation hardware is again noted , unchanged from prior . No acute osseous abnormalities . No free intraperitoneal air .
    OUTPUT:
    
No visualized acute cardiopulmonary process .