PHOTOS: Meet Girl Who Can Rotate Her Leg 180 Degrees
Ms O'Shea's amazing and bizarre flexibility is the result of an operation following the treatment of a rare form of bone cancer.
After being diagnosed with Ewing's sarcoma, she underwent a right internal hempipelvectomy in 2011 in which surgeons removed the entire right side of her pelvis without replacing it.
Source: Legit.ng