Appendicitis is an inflammation of the appendix, a
finger-like glandular piece of tissue that connects to the beginning of the large
intestine, usually at the lower right side of the abdomen. In older children, the classic
symptoms of appendicitis are abdominal pain, fever, and vomiting. Abdominal pain usually
begins in the center of the abdomen, around the area of the navel ("belly
button"). Later, the pain may move downward and to the right - to an area called
McBurney's point, roughly corresponding to the location of the appendix in the lower right
portion of the abdomen.