Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are compared to prior from ___ . Right chest wall port is seen with catheter tip in stable position in the distal SVC . Again low lung volumes are seen . There is no large confluent consolidation and costophrenic angles are sharp . The cardiomediastinal silhouette remains stable . Osseous and soft tissue structures are grossly unremarkable , noting hypertrophic changes in the spine .
    OUTPUT:
    
Low lung volumes , but no evidence of acute cardiopulmonary process .