Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Progression of bilateral heterogeneous perihilar opacities with cephalization . Stable small bilateral pleural effusions . Mild cardiomegaly is unchanged . Mediastinal contour and hila are unremarkable . No pneumothorax . Intact median sternotomy wires and prosthetic mitral valve are again noted . Left chest wall pacer device lead tips are in the right atrium and right ventricle . Swan - Ganz catheter tip is again seen entering into the distal right pulmonary artery .
    OUTPUT:
    
1 . Progression of moderate pulmonary edema with stable small bilateral pleural effusions and stable mild cardiomegaly . 2 . Support lines and tubes as described above . Specifically , Swan - Ganz catheter tip again noted in the distal right pulmonary artery unchanged over multiple examinations .