The appendix is a small, thin organ extending from the large intestine. An appendectomy removes the appendix when it becomes infected or swollen. The condition is called an appendicitis. Symptoms of a appendicitis include abdomen pain, constipation, diarrhea, fever, nausea, vomiting and lack of appetite An infected appendix with a hole in it can leak and affect the abdomen area. An appendectomy may need to be performed in this instance.

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