From Longman Dictionary of Contemporary Englishkeyhole surgeryˌkeyhole ˈsurgery noun [uncountable] British English MHmedical operations done through a very small hole in the body
Examples from the Corpus
keyhole surgery• Advances in keyhole surgery and laser treatment mean much speedier recovery.• It said this would bring positive improvements like more keyhole surgery, reduced waiting lists, and a day surgery unit.• Basingstoke and North Hampshire Medical Trust have hosted a special reception evening launching phase two of the keyhole surgery appeal. 