Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Previously noted right IJ central venous catheter is been removed . Midline sternotomy wires and mediastinal clips are again noted . Multiple overlying EKG leads are present . Cardiomegaly is unchanged with left basilar opacity likely representing a pleural effusion . There is probable bibasilar atelectasis . Difficult to exclude pneumonia in the correct clinical setting . Mediastinal prominence is unchanged which may reflect recent CABG . Bony structures appear intact .
    OUTPUT:
    
Bibasilar atelectasis and left pleural effusion .