Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were compared to previous exam from ___ . Since prior , there has been no significant interval change . The lungs are clear of confluent consolidation or effusion . Cardiac silhouette is enlarged , but stable . The configuration of the upper mediastinum on the right remains stable . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .