The phrase "major surgery" refers to a significant medical procedure that requires a doctor to operate on someone's body. It usually involves making incisions and potentially removing or repairing a part of the body. Full definition
And though I took five weeks off from work, my friends could hardly believe I'd undergone major surgery when they visited me at home. (health.com)
Due to its quality - of - life impact and the need for major surgery in most cases, it should be assumed to be so. (ashgi.org)
But there's no way to deal with the issues that I faced caring for children with cancer or teens recovering from major surgeries with a 160 - word tweet. (bookworks.com)