Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previously seen severe pulmonary edema is now moderate with persistent areas of more focal opacity in the left upper lung and right lower lung also decreased in density . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is stable . An enteric tube coils within the stomach . Mitral valve prosthesis is unchanged .
    OUTPUT:
    
1 . Interval improvement in now moderate bilateral pulmonary edema . 2 . More focal areas of opacity bilaterally are less dense suggesting pulmonary edema is the underlying etiology . Continued radiographic follow - up to resolution is recommended .