lobectomy
noun
lo·bec·to·my
lō-ˈbek-tə-mē 
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
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
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.
—Becca Longmire, Peoplemag, 13 June 2024
According to a 2018 study published in the Journal of Thoracic Diseases, the five-year survival rate of people who undergo lobectomy is double that of those who undergo pneumonectomy (31.5% vs. 15.6%, respectively)1515
How a person is treated after surgery also influences survival times.
—Sanja Jelic, Verywell Health, 22 Sep. 2023
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
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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
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.
—Becca Longmire, Peoplemag, 13 June 2024
According to a 2018 study published in the Journal of Thoracic Diseases, the five-year survival rate of people who undergo lobectomy is double that of those who undergo pneumonectomy (31.5% vs. 15.6%, respectively)1515
How a person is treated after surgery also influences survival times.
—Sanja Jelic, Verywell Health, 22 Sep. 2023
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
Cite this Entry
“Lobectomy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lobectomy. Accessed 11 Jul. 2025.
Copy CitationMedical Definition
lobectomy
noun
lo·bec·to·my
lō-ˈbek-tə-mē
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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