Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . The lungs are clear of consolidation or effusion or pneumothorax . Cardiomediastinal silhouette is at upper limits of normal . Osseous structures are unremarkable without visualized displaced rib fracture .
    OUTPUT:
    
No acute cardiopulmonary process .