11.   It said in a communique that he had undergone facial surgery to avoid detection.

12.   Last year, she underwent surgery for breast cancer.

13.   Louis in the Royce Clayton deal, underwent arthroscopic surgery last Saturday to repair a small tear in his pitching shoulder.

14.   Mitterrand had been suffering from prostate cancer for several years, for which he underwent surgery twice.

15.   Morrison had to undergo surgery on an injury to his left knee.

16.   Patients undergoing surgery sometimes find talking to a spiritual counsellor provides psychological comfort, even if they do not usually practise a religion.

17.   Rose underwent emergency surgery after a bullet pierced her lung.

18.   Scientists found the new strain in an infant boy after he underwent heart surgery.