Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with ___ at 12 :25 , the small right apical pneumothorax remains visible , but is very slightly smaller . Again seen is the right pigtail catheter overlying the lateral upper lateral right chest and the right chest tube . Also again seen is extensive subcutaneous emphysema overlying the right hand to a small extent the right chest and , to a small extent , the left axilla . The cardiomediastinal silhouette is unchanged . Retrocardiac left base atelectasis is slightly increased . Right cardiophrenic atelectasis is slightly improved . No CHF . No gross effusions , though small bilateral effusions would be difficult to exclude .
    OUTPUT:
    
1 . Slight interval increase in the right apical pneumothorax . A small residual pneumothorax remains visible . 2 . Right - sided catheter and chest tube in place , similar to the prior study . Extensive subcutaneous emphysema again noted . 3 . Bibasilar atelectasis , with Tesla interval increase on the left and slight interval improvement on the right .