Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided Port -A - Cath is unchanged in position as is a left chest wall pacer and leads . Sternotomy wires are stable . Mild enlargement of the cardiac silhouette is again demonstrated and stable from the prior studies . Mediastinal contours are similar . There is moderate pulmonary edema , increased from the prior examination done on ___ . The focal opacity seen at the right lung base could represent an area of atelectasis and effusion however infection should be considered . There may be a small left pleural effusion . Visualized osseous structures are stable .
    OUTPUT:
    
Moderate pulmonary edema , new from the prior exam on ___ . Right basal opacity is increased from the prior exam and infection should be considered in the appropriate clinical setting . Small bilateral pleural effusions , right greater than left . S