Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right chest tube is in unchanged position . A small right apical pneumothorax persists , similar in appearance to prior . Stable moderate cardiomegaly with improvement in pulmonary edema , now mild . A small right pleural effusion is present .
    OUTPUT:
    
Unchanged right apical pneumothorax with chest tube in place .