Appendicitis is inflammation of the vermiform appendix (or just the appendix, for short), a little structure within the lower gastrointestinal tract. In appendicitis, the appendix swells, causing a ...

Appendicitis symptoms start with belly pain that moves and intensifies in your lower right side. Without surgery, perforated appendicitis can lead to serious complications like peritonitis or sepsis.

Add Yahoo as a preferred source to see more of our stories on Google. It’s the one organ we’ve been told is basically useless, and now it might actually be harboring a stealthy health risk. So ...