Used and loved by millions
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
undergo operation
Grammar usage guide and real-world examplesUSAGE SUMMARY
"undergo operation" is a correct and usable phrase in written English.
You can use it to refer to an instance when someone has a medical procedure done to them. Example: The patient had to undergo operation to repair the torn ACL in their knee.
✓ Grammatically correct
Science
News & Media
Academia
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
15 human-written examples
Conclusion: Low-income women who undergo operation at a university teaching hospital experience lower satisfaction after hysterectomy than do other women.
The project is expected to be constructed and commissioned during 2001 and to undergo operation and evaluation in 2002 and 2003.
Therefore, he did not undergo operation.
Her stage of breast cancer was also IV, and she did not undergo operation because of multiple bone metastases.
A 67-year-old man was admitted to our hospital in order to undergo operation for the treatment of lung cancer.
Science
Fox 11 reporter Julie Chang to undergo operation for brain tumor.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
45 human-written examples
We visited the children's medical house where families from rural areas are accommodated while their kids undergo operations.
News & Media
Meanwhile, midfielder Andy Whing and goalkeeper Ryan Clarke are to undergo operations this summer.
News & Media
Mr. Dimmers undergoes operation and dies.
News & Media
The longterm prognosis for patients undergoing operation depends largely on the pathologic stage of the disease.
Eight patients underwent operation after delivery.
Science
Expert writing Tips
Best practice
In academic or medical reporting, the bare phrase "undergo operation" is frequently used when discussing patient groups or statistical categories.
Common error
Writers often mistakenly use "make" as the verb. Always use "undergo", "have" or "perform" (the latter for the surgeon) to maintain standard English collocations.
Source & Trust
89%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "undergo operation" functions as a transitive verb phrase. In this construction, the verb "undergo" means to experience or be subjected to something (usually something unpleasant or necessary). According to Ludwig AI, it is primarily used to describe the passive experience of a patient in a medical context.
Frequent in
Science
65%
News & Media
25%
Academia
10%
Less common in
Social Media
2%
Wiki
3%
Formal & Business
5%
Ludwig's WRAP-UP
In summary, "undergo operation" is a highly effective and correct phrase for describing medical procedures from the patient's perspective. Ludwig AI confirms its widespread use in Scientific and News domains. While it can be used without an article in formal medical reporting, adding "an" or using the plural "operations" is often preferred in general writing to improve flow. It is a more formal alternative to simply saying someone "had surgery" and carries a professional, clinical tone.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
undergo surgery
Uses a more general medical term that is often preferred in modern healthcare writing
have an operation
More common in standard conversational English and general news reporting
receive an operation
Uses a different verb to indicate the patient is the beneficiary of the service
undergo surgical intervention
Highly formal and academic, typically found in surgical research papers
receive surgical treatment
Emphasizes the clinical aspect of the care being provided
be operated on
A passive construction that focuses on the patient as the recipient of the action
undergo a procedure
Slightly more vague, as it can refer to non-surgical medical interventions
be scheduled for surgery
Refers to the administrative or planned state of the medical event
go under the knife
An informal or idiomatic expression used frequently in tabloids or storytelling
require surgery
Focuses on the necessity of the operation rather than the act itself
FAQs
How do I use "undergo operation" in a sentence?
You can use it to describe a patient receiving medical care, such as "The patient was admitted to "undergo operation" for a brain tumor."
What is the difference between "undergo" and "perform" an operation?
The patient "undergoes" the operation, while the surgeon is the one who will "perform the operation".
Should I say "undergo operation" or "undergo surgery"?
Both are correct, though "undergo surgery" is slightly more common in modern medical literature.
Is it "undergo operation" or "undergo an operation"?
Both are acceptable. "Undergo operation" is common in technical medical contexts, while "undergo an operation" is more frequent in general news.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.8/5
Expert rating
Real-world application tested