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lumpectomy

American  
[luhm-pek-tuh-mee] / lʌmˈpɛk tə mi /

noun

  • lumpectomies
    plural
  1. the surgical removal of a breast cyst or tumor.


lumpectomy British  
/ lʌmˈpɛktəmɪ /

noun

  1. the surgical removal of a tumour in a breast

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms


Etymology

Origin of lumpectomy

First recorded in 1970–75; lump 1 + -ectomy


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It said that Denise could have been offered a second lumpectomy rather than full breast removal, but acknowledged the option had never been discussed with her.

From BBC ● Sep. 17, 2026

Two months before Alexis died in May 2000, Lieberson was informed that she herself had cancer, and later underwent a double lumpectomy.

From The Wall Street Journal ● Jul. 28, 2026

She says she was shocked by the response from one doctor during a hospital appointment, after she told him her breast had become infected following a lumpectomy.

From BBC ● Nov. 28, 2025

She underwent three lumpectomy surgeries and chemotherapy before starting work on “Frasier” and had a double mastectomy while filming the show’s first season, which premiered in 2023.

From Los Angeles Times ● Sep. 18, 2024

At age 55 I still have all my body parts, and have had no surgery except the original lumpectomy.

From How and When to Be Your Own Doctor by Steve Solomon

The cameras follow her as she undergoes two lumpectomies - a type of surgery that removes a portion of breast tissue.

From BBC ● Feb. 25, 2026

Elsewhere, glass in the shape of biological masses is covered in delicate wire and thread, looking like the oversize results from lumpectomies.

From The Wall Street Journal ● Nov. 28, 2025

Those lumpectomies and mastectomies are essentially “fear-ectomies” that remove something frightening but not medically threatening.

From Slate ● Mar. 22, 2024

They followed nearly 200 women with two or three tumors in one breast who had lumpectomies followed by radiation.

From Seattle Times ● Dec. 9, 2022

These days many surgeons routinely limit themselves to lumpectomies.

From How and When to Be Your Own Doctor by Steve Solomon

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