ACTRESS Olivia Newton-John has announced she is suffering breast cancer for a second time which has spread to her sacrum bone. But what is the sacrum bone and how can back pain be a sign of breast ...

The sacrum is a bone at the back of the pelvis between the hip bones. A sacral fracture can cause symptoms including lower back and buttock pain, swelling, and reduced bowel and bladder control.

Sacrum fractures are uncommon, according to the American Academy of Orthopaedic Surgeons. But because of their location within the pelvis near major blood vessels and organs, they may cause extensive ...

The back pain that Newton-John originally believed to be sciatica is instead breast cancer that has metastasized to the sacrum Melody Chiu is an Executive Editorial Director at PEOPLE overseeing ...

The Lonely Island member Jorma Taccone fell 20 feet from a ladder, shattered his pelvis, and detached his sacrum from his spine in a scary accident inside a barn: 'My life flashes before my eyes.' ...