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
Storm is also currently working through breast cancer treatment, and came back to work after only one week off following her diagnosis and a lumpectomy in January 2024.
—
Anna Lazarus Caplan, People.com, 12 Apr. 2025
After 15 radiation therapies and two lumpectomies, her cancer is gone.
—Michelle Marchante, Miami Herald, 11 Apr. 2025
Both my mother and I underwent lumpectomies and radiation, but I was prescribed a pre-menopausal treatment called Tamoxifen, a common drug for younger women with estrogen and progesterone-positive breast cancer.
—Clea Shearer, Flow Space, 14 Oct. 2024
After consulting with several doctors, Fishel decided on a lumpectomy followed by radiation and hormone therapy, opting not to pursue a double mastectomy after genetic testing revealed she wasn’t predisposed to cancer.
—Sandra Rose Salathe, Flow Space, 16 Oct. 2024
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Anna Lazarus Caplan, People.com, 12 Apr. 2025
After 15 radiation therapies and two lumpectomies, her cancer is gone.
—Michelle Marchante, Miami Herald, 11 Apr. 2025
Both my mother and I underwent lumpectomies and radiation, but I was prescribed a pre-menopausal treatment called Tamoxifen, a common drug for younger women with estrogen and progesterone-positive breast cancer.
—Clea Shearer, Flow Space, 14 Oct. 2024
After consulting with several doctors, Fishel decided on a lumpectomy followed by radiation and hormone therapy, opting not to pursue a double mastectomy after genetic testing revealed she wasn’t predisposed to cancer.
—Sandra Rose Salathe, Flow Space, 16 Oct. 2024
See All Example Sentences for lumpectomy
Cite this Entry
“Lumpectomy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lumpectomy. Accessed 19 Apr. 2025.
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
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