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 This is especially true when comparing lobectomy to pneumonectomy. Sanja Jelic, Verywell Health, 22 Sep. 2023 When used with neoadjuvant chemotherapy, lobectomy is associated with a 33% five-year survival rate in people with stage 3a lung cancer. Lynne Eldridge, Verywell Health, 15 Aug. 2023 Known for her honest admissions on social media — and in real life — Griffin revealed in an Instagram post in August 2021 that she had been diagnosed with lung cancer and underwent a lobectomy to remove the disease in the same month. Jenny Haward, Peoplemag, 16 June 2023 Wedge resection can be an option if the tumor is very small, and a lobectomy to remove a lung lobe offers a better chance of a cure.5 Oncologists may recommend adjuvant chemotherapy for stage 1b lung cancer or cases with aggressive features like those that may occur with large cell carcinoma. Doru Paul, Verywell Health, 22 Apr. 2023 Also, a lobectomy removes the cancerous lobe. Christine Coppa, Health, 15 Mar. 2023 Hallgren returned to practice in a limited capacity four months after her lobectomy and played in 17 matches for the Wolverines last fall with seven starts. Los Angeles Times, 27 Feb. 2023 The introduction of lobectomy, the surgical removal of part of the lung, improved these numbers, but an extended course of antibiotics long ago replaced surgery as the mainstay of treatment for these infections. H Lee Kagan, Discover Magazine, 13 Mar. 2011 Many lung cancers are not operable, but to treat some types of lung disease, such as early stages of lung cancer, a surgical treatment called a lobectomy may be performed. Arthur Dalley, Discover Magazine, 8 Mar. 2019 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'lobectomy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


lobe + -ectomy

First Known Use

circa 1911, in the meaning defined above

Time Traveler
The first known use of lobectomy was circa 1911

Dictionary Entries Near lobectomy

Cite this Entry

“Lobectomy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lobectomy. Accessed 29 Feb. 2024.

Medical Definition


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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