Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are compared to previous exam from ___ . Linear opacity in the right lower lung suggestive of atelectasis versus scar . Not significantly changed from prior . Elsewhere , lungs are clear of focal consolidation or effusion . Cardiomediastinal silhouette is within normal limits . Dual - lead pacing device seen with tips in the right atrium and right ventricular apex . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .