Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: From the prior study on the same day , the right basilar chest tube has been removed . Another chest tube remains in good position terminating in the apex . The rightward mediastinal displacement and the right pneumothorax are unchanged from the prior study . There is no evidence of tension . There has been minimal worsening of the left basilar atelectasis and effusion which obscures the left hemidiaphragmatic contour . The left lung is otherwise clear .
    OUTPUT:
    
1 . Unchanged right pneumothorax since removal of basilar chest tube . No evidence of tension . 2 . Slight worsening of left basilar atelectasis and small effusion .