Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest was compared to previous exam from ___ . Triple - lead pacing device is again seen . Low lung volumes are again noted and there is obscuration of the left lung secondary to pacing device . There is no large confluent consolidation . Faint opacity at the right lung base may be due to atelectasis . Cardiomediastinal silhouette is stable . Surgical clips in the right upper quadrant suggest prior cholecystectomy . Osseous and soft tissue structures are otherwise unremarkable .
    OUTPUT:
    
Limited portable exam with poor inspiratory effort . No large confluent consolidation .