Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Right - sided chest tube has been removed . Small amount of pleural air is seen in the right lung base , unchanged since prior study before the chest tube was removed . There is no apical pneumothorax . Postoperative appearance of the right lung base is stable , including small amount of atelectasis or local hematoma surrounding suture chain . The left lung base opacity is more clear . Cardiomegaly appears chronic . There is no evidence of cardiac decompensation .
    OUTPUT:
    
Small pneumothorax in the right lung base , stable since prior chest radiograph . No new apical pneumothorax .