A man suffered from severe stomach pain, and he decided to make a trip to the hospital. He had no idea that he would be getting the shock of his life when he went to the hospital. Doctors performed x-rays in order to determine the source of the pain. The x-ray did not show the doctors the cause of the pain, so they decided to perform surgery. The doctors found out that a parasitic twin was the cause of the pain.

The parasitic twin was two feet long. It had bones, hair and teeth. A parasitic twin occurs when one twin enters the other one through the umbilical cord. The parasitic twin lives off of the other twin. The other twin is known as the autosite. Parasitic twins are extremely rare. It is estimated that they only occur in about one in