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leiomyosarcoma

noun

leio·​myo·​sar·​co·​ma ˌlī-ō-ˌmī-ō-sär-ˈkō-mə How to pronounce leiomyosarcoma (audio)
plural leiomyosarcomas also leiomyosarcomata -mət-ə How to pronounce leiomyosarcoma (audio)
: a sarcoma composed in part of smooth muscle cells

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Cite this Entry

“Leiomyosarcoma.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/leiomyosarcoma. Accessed 29 Nov. 2025.

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