While surgeries for treating esophageal cancer used to leave two large incision scars or several small scars on the patient, now doctors are able to leave only about three to four small scars on the patient, with a single-incision minimally invasive surgery first performed at National Taiwan University Hospital (NTUH), the hospital said.
http://www.taipeitimes.com/News/taiwan/archives/2017/01/16/2003663203
Hospital treats esophageal cancer leaving fewer scars