The appendix is a small, tube-like pouch located in the lower right abdomen. While its function is not entirely clear, it is believed to play a role in the immune system. Appendicitis is a condition that occurs when the appendix becomes inflamed and infected. Common symptoms include abdominal pain, fever, nausea, vomiting, and loss of appetite. The pain usually starts around the belly button and moves to the lower right side of the abdomen. If left untreated, appendicitis can cause the appendix to rupture, leading to potentially life-threatening complications such as peritonitis or sepsis. Treatment usually involves surgery to remove the appendix, which is typically performed using traditional open surgery or laparoscopic surgery. Recovery time depends on the severity of the condition and the type of surgery performed.