Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to two days prior , there is significant improvement of pulmonary edema and near complete resolution of a right pleural effusion . There is persistent subsegmental atelectasis in the right upper lobe and increased retrocardiac opacity , consistent with left basilar atelectasis . Postsurgical cardiomediastinal silhouette is stable . A replacement mitral valve is in place . Median sternotomy and sternotomy wires are intact . The Swan - Ganz catheter and intra-aortic balloon pump has been removed .
    OUTPUT:
    
1 . Improved pulmonary edema and decrease right pleural effusion . 2 . Stable subsegmental atelectasis in the right upper lung and slightly increased left basilar atelectasis .