lobectomy

noun

lo·​bec·​to·​my lō-ˈbek-tə-mē How to pronounce lobectomy (audio)
plural lobectomies
: surgical removal of a lobe of an organ (such as a lung) or gland (such as the thyroid)

Examples of lobectomy in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
To test this hypothesis, the researchers recruited seven people who were scheduled for an anterior temporal lobectomy, a type of surgery in which pieces of brain tissue are removed in order to treat severe epilepsy. Jacek Krywko, Scientific American, 6 May 2026 Barry Manilow has had to reschedule a number of his live performances, including his Las Vegas residency, since December 2025 as he's been recovering from a lobectomy following a stage 1 lung cancer diagnosis. Emily Blackwood, PEOPLE, 6 May 2026 Rider would need a left upper lobectomy, where part of his left lung would be removed. Kerry Breen, CBS News, 2 May 2026 Right now, her options are to try a different medication, have a temporal lobectomy, or get a neuromodulation device. Maggie Fremont, Vulture, 17 Apr. 2026 Within four weeks, Manilow was in surgery, undergoing a lobectomy to remove part of his lung. Stephanie Giang-Paunon, FOXNews.com, 24 Mar. 2026 Miller performed a lobectomy, removing the lower lobe of her lung and all the lymph nodes. Wendy Grossman Kantor, People.com, 5 May 2025 Nogueira and her colleagues studied data available via the National Cancer Database for individuals 18 years or older who received a lobectomy or pneumonectomy for stages 1 to 3 lung cancer between 2004 and 2021. Sharon Udasin, The Hill, 12 Mar. 2025 Griffin said in August 2021 she had been diagnosed with lung cancer and underwent a lobectomy to remove the disease in the same month. Charlotte Phillipp, Peoplemag, 27 July 2024

Word History

Etymology

lobe + -ectomy

First Known Use

circa 1911, in the meaning defined above

Time Traveler
The first known use of lobectomy was circa 1911

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Cite this Entry

“Lobectomy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lobectomy. Accessed 16 May. 2026.

Medical Definition

lobectomy

noun
lo·​bec·​to·​my lō-ˈbek-tə-mē How to pronounce lobectomy (audio)
plural lobectomies
: surgical removal of a lobe of an organ (as a lung) or gland (as the thyroid)
specifically : excision of a lobe of the lung compare lobotomy
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