answer: Dr. Andrew tells Mrs. Robinson the operation done in her son's condition is stable and asks her to come back the next morning.
documents: #Person1#: Dr. Andrew, how is my son now? Is he OK? Oh, no.
  #Person2#: Calm down, Mrs. Robinson. The operations done in your son's condition is stable. He's going to be fine.
  #Person1#: Oh, thank god.
  #Person2#: It's lucky of your son that the robber missed stabbing his heart and the taxi drivers sent him here immediately.
  #Person1#: Yeah. Can I go in now?
  #Person2#: Not now, Mrs. Robinson. Your son is resting and we still need to do some tests in the next few hours.
  #Person1#: But what am I supposed to do now?
  #Person2#: Get some rest and be back here next morning. I should have more information for you by that time.