Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the prior study , mediastinal drains and a left - sided chest tube have been removed . No evidence of new pneumothorax . The right IJ central line is unchanged in position . Mediastinal clips and intact median sternotomy wires are unchanged . Lung volumes are low , with continued retrocardiac atelectasis and a probable small left pleural effusion . No new focal consolidation . Calcified pleural plaque projecting over the right lower lung is similar in appearance to the study of ___ .
    OUTPUT:
    
1 . No evidence of pneumothorax , after removal of the left - sided chest tube and mediastinal drain . 2 . Persistent small left pleural effusion and retrocardiac atelectasis . 3 . Unchanged calcified pleural plaque projecting of the right lower lung , similar to the study of ___ .