Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to ___ chest radiograph , there has been significant improvement of the small right apical pneumothorax with near - resolution . The bilateral ( right greater than left ) small pleural effusions and left basal atelectasis are again seen and are unchanged in comparison to most recent study . Stable moderate cardiomegaly without overt pulmonary edema . Right PICC line is in stable position at the cavoatrial junction . Median sternotomy wires are intact and aligned . The replaced mitral valve is visualized and in stable position .
    OUTPUT:
    
1 . Interval improvement and near - resolution of small right apical pneumothorax when compared to ___ chest radiograph . 2 . Bilateral ( right greater than left ) small pleural effusion unchanged in size .