major surgery

noun

Medical Definition of major surgery

: surgery involving a risk to the life of the patient specifically : an operation upon an organ within the cranium, chest, abdomen, or pelvic cavity — compare minor surgery

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“Major surgery.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/major%20surgery. Accessed 6 Mar. 2021.

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