Lisa Marie Presley died of small bowel obstruction, medical examiner says

Lisa Marie Presley's cause of death was a small bowel obstruction, according to an autopsy report obtained Thursday from the Los Angeles County medical examiner.

Presley, the only child of Elvis and Priscilla Presley, died Jan. 12 at the age of 54. 

A small bowel obstruction is a blockage of the small intestine, which can be caused by colon cancer, certain medications, adhesions in the abdomen that form after surgery and conditions that can cause inflamed intestines, such as Crohn's disease, according to the Mayo Clinic.