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The phrase "had undergone surgery" is correct and usable in written English.
It is typically used to indicate that someone has had a medical procedure performed on them in the past. Example: "The athlete had undergone surgery on his knee last year, but he has since recovered and is back on the field."
Exact(60)
He told her he had undergone surgery to treat choking.
He had undergone surgery for the placement of coronary stents.
Khalil had undergone surgery to stop internal bleeding and had several broken bones, her husband said.
The 70 participants had undergone surgery earlier to remove benign polyps, common forerunners of colon cancer.
Then she heard that the singer Carnie Wilson had undergone surgery to control her weight.
Mr. Johnson had undergone surgery Friday for a bullet in the head.
She had undergone surgery for a bad injury in the colon.
Mrs. Simon had undergone surgery for the removal of a malignant brain tumor in September.
Several had undergone surgery or were expected to soon, the officials said.
A study published in The Lancet in 2000 surveyed twelve thousand patients who had undergone surgery at two Swedish hospitals.
He had undergone surgery for colon cancer 8 years previously.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com