Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right - sided chest tube and endotracheal tube has been removed . Residual pacemaker wire , nasogastric tube , and left - sided chest tube remain . A small right apical pneumothorax is seen . However it is decreased since the prior study . There is a left retrocardiac opacity . There is some increased opacity within the right mid lung field . The left - sided central venous catheter tip is unchanged .
    OUTPUT:
    
1 . Small right apical pneumothorax which is decreased since the prior radiograph . There has been removal of the right - sided chest tube . 2 . Developing opacity within the right mid lung field and left retrocardiac opacity which is stable .