Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared with previous exam from ___ . Compared to prior , there has been no significant interval change . There is no large confluent consolidation or pulmonary edema . Small bilateral pleural effusions persist , not significantly changed . The cardiac silhouette is enlarged but stable . Median sternotomy wires are again seen noting a fracture of the second one from the top . Lower thoracic kyphosis with associated degenerative changes is again seen as well as partially visualized lumbar spine fixation hardware .
    OUTPUT:
    
No acute cardiopulmonary process . Persistent small bilateral pleural effusions .