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 device was supposed to help breast cancer patients heal after a lumpectomy, which is the surgical procedure to remove tumors while keeping much of the breast intact. —Annika Inampudi, Fortune, 17 June 2026

The Scary Movie actress recently underwent a second lumpectomy and revealed that former first lady Jill Biden was in her support circle for the procedure. —Marina Watts, Entertainment Weekly, 15 June 2026

Ncube’s journey started with a lumpectomy. —Ayren Jackson-Cannady, SELF, 29 May 2026

Surgeons are the biggest advocates for lumpectomy instead of mastectomy, or single mastectomy instead of bilateral mastectomy. —Eileen Finan, PEOPLE, 19 May 2026

Word History

First Known Use

1972, in the meaning defined above

Rhymes for lumpectomy

• colectomy
• cystectomy
• gastrectomy
• lobectomy
• mastectomy
• nephrectomy
• splenectomy
• thymectomy
• vasectomy
• vitrectomy
• adrenalectomy
• cholecystectomy

Medical 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 quadrantectomy