What is Laparoscopic Appendectomy? The appendix (uh-PEN-dix) is a narrow, finger-shaped organ located on the lower right side of the belly. It is connected to the large intestine and has no function in humans. Appendectomy (app-pen-DECK-toe-me) is done as emergency surgery for appendicitis because the appendix has become inflamed (swollen) and needs to be rremoved. If it is not...