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
The jewelry designer and mother of two had a lumpectomy, underwent radiation and took Tamoxifen to reduce her risk of recurrence.
—
Laura Trujillo,
USA Today,
30 June 2026
After a moment’s thought, Greenwald told her to do the lumpectomy—and the tamoxifen, which would cut the chance of cancer recurrence in half.
—
Melanie Thernstrom,
New Yorker,
29 June 2026
The lumpectomy and the removal of several lymph nodes, and then the second surgery, had left her sore and bruised.
—
Matthew Futterman,
New York Times,
28 June 2026
In April 2010, Navratilova announced on Good Morning America that she had been diagnosed with an early form of breast cancer and had undergone a lumpectomy followed by radiation.
—
Makena Gera,
PEOPLE,
26 June 2026
See All Example Sentences for lumpectomy
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Laura Trujillo,
USA Today,
30 June 2026
After a moment’s thought, Greenwald told her to do the lumpectomy—and the tamoxifen, which would cut the chance of cancer recurrence in half.
—
Melanie Thernstrom,
New Yorker,
29 June 2026
The lumpectomy and the removal of several lymph nodes, and then the second surgery, had left her sore and bruised.
—
Matthew Futterman,
New York Times,
28 June 2026
In April 2010, Navratilova announced on Good Morning America that she had been diagnosed with an early form of breast cancer and had undergone a lumpectomy followed by radiation.
—
Makena Gera,
PEOPLE,
26 June 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 6 Jul. 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
