Converse of object

• perform: There is a difference between performing an appendectomy and having your appendix out.

• undergo: Four years later, he was not considered a medal contender, having undergone an appendectomy just 40 days before the race in Tokyo.

• have: We have someone who has just had to have an emergency appendectomy.

Adjective modifier

• laparoscopic: The discussion ends with a quote " Laparoscopic appendectomy is an excellent operation, but we don't need it.

• routine: One of my graduate students, a nurse, was examining a patient who had come in for a routine appendectomy.

Noun used with modifier

• emergency: We have someone who has just had to have an emergency appendectomy.