Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient had recent mitral valve repair . Mild pulmonary edema has worsened since ___ . Left moderate pleural effusion is unchanged . Right lower lung opacity could be dependent edema or atelectasis . Mediastinal contour and mild cardiomegaly is stable . Degenerative changes are in the left shoulder .
    OUTPUT:
    
1 . Mild pulmonary edema has worsened . 2 . Left moderate pleural effusion is unchanged .