lumpectomy
noun
lump·ec·to·my
ˌləm-ˈpek-tə-mē 
plural lumpectomies
: excision of a breast tumor with a limited amount of associated tissue
Examples of lumpectomy in a Sentence
Recent Examples on the Web
Surgeons are the biggest advocates for lumpectomy instead of mastectomy, or single mastectomy instead of bilateral mastectomy.
—
Eileen Finan, PEOPLE, 19 May 2026
Women with some forms of breast cancer may need to choose between mastectomy (a surgery that typically removes the entire breast) or a less-invasive surgery that spares the breast, such as lumpectomy.
—Tom Gavin, EverydayHealth.com, 1 May 2026
Bessant’s journey of personal resilience A breast cancer survivor, Bessant underwent a lumpectomy and radiation treatment at Novant Health.
—Chase Jordan
april 27, Charlotte Observer, 27 Apr. 2026
Even the name is a misnomer, Mackey said, since the same pain can arise among women who’ve had other procedures, including lumpectomies and lymph node surgeries.
—CNN Money, 11 Apr. 2026
See All Example Sentences for lumpectomy
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Eileen Finan, PEOPLE, 19 May 2026
Women with some forms of breast cancer may need to choose between mastectomy (a surgery that typically removes the entire breast) or a less-invasive surgery that spares the breast, such as lumpectomy.
—Tom Gavin, EverydayHealth.com, 1 May 2026
Bessant’s journey of personal resilience A breast cancer survivor, Bessant underwent a lumpectomy and radiation treatment at Novant Health.
—Chase Jordan
april 27, Charlotte Observer, 27 Apr. 2026
Even the name is a misnomer, Mackey said, since the same pain can arise among women who’ve had other procedures, including lumpectomies and lymph node surgeries.
—CNN Money, 11 Apr. 2026
See All Example Sentences for lumpectomy
Cite this Entry
“Lumpectomy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lumpectomy. Accessed 24 May. 2026.
Copy CitationMedical Definition
lumpectomy
noun
lump·ec·to·my
ˌləm-ˈpek-tə-mē
plural lumpectomies
: excision of a breast tumor with a limited amount of associated tissue
called also tylectomy
compare quadrantectomyLove words? Need even more definitions?
Merriam-Webster unabridged
