Gastrectomy is the removal of part or all of the stomach. The purpose of gastrectomy is to treat stomach cancer and bariatric gastrectomy, or some other stomach-related problem.

Laparoscopic 2⁄3 gastrectomy is mostly used to treat benign diseases and only the lower part of the stomach is removed. Nowadays, laparoscopic gastrectomy has become more and more popular, replacing the traditional surgery of the past.