11.   The rare surgery involves partially removing a fetus, legs first, from the womb into the birth canal, where its skull is pierced and its contents drained.

12.   The surgery involved fusing three cervical vertebrae.

13.   The surgery will involve scraping the bone and drilling holes into it to stimulate healing.

14.   The surgery involved a graft, and the cells needed time to regenerate.

15.   Drake said the surgery would likely involve installing a pin in the hip.

16.   Drake said the surgery would likely involve inserting a pin in the hip.

17.   She said the surgery would likely involve installing a pin in the hip.

18.   Surgery involves sewing the tear closed.

19.   Surgery usually involves arthroscopy, which is key hole surgery with the help of an arthroscope to view the inside of the knee and to diagnose any associated injuries.

20.   The surgery involved placing three titanium plates with screws in her neck to stabilize a section of the spine.