Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left pigtail pleural catheter is unchanged in location , projecting over the left ventricle . A moderate loculated left pleural effusion is not significantly changed in size . There is a small right pleural effusion , unchanged . Heterogeneous bilateral lower lung opacities are likely minimal atelectasis , not significantly changed . There is mild interstitial pulmonary edema , unchanged . The heart size and mediastinal contours are unchanged . Midline sternotomy wires are again noted . There is no pneumothorax .
    OUTPUT:
    
1 . Unchanged moderate loculated left pleural effusion . 2 . Unchanged small right pleural effusion . 3 . Unchanged mild interstitial pulmonary edema . 4 . Unchanged bibasilar opacities , likely atelectasis .