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. Author manuscript; available in PMC: 2017 Oct 2.
Published in final edited form as: J Am Coll Surg. 2013 Apr 24;217(1):56–63. doi: 10.1016/j.jamcollsurg.2013.02.023

Table 1.

Definitions of Surgical Categories Used in N0147 Patients

Procedure type Definition
Open colectomy Procedure done through a standard laparotomy incision with no laparoscopic or hand assistance.
Laparoscopic colectomy Procedure done completely laparoscopic with intracorporeal anastomosis.
Laparoscopic assisted colectomy Procedure in which the colon was mobilized laparoscopically (with or without vascular dissection and ligation) but the anastomosis was done extracorporeally.
Hand assisted colectomy Procedure in which a hand port is used in conjunction with laparoscopic mobilization, anastomosis done intracorporeally or extracorporeally.
Laparoscopic colectomy converted to open colectomy Procedure begun with intent to perform laparoscopically but converted to open for any reason.