Medically reviewed by Alicen Nelson MD, MPH The navel, also known as the belly button or umbilicus, is a small, round, or oval indentation or bump in the middle of the abdomen (belly). It marks where ...

There are several potential reasons for pain around the belly button. Read on to learn what they are and how to treat belly button pain.

An abdominal mass is an abnormal growth that occurs in the abdomen ... The periumbilical section is located below and around the belly button; the epigastric section is located above the belly ...