Definition of Kaposi's sarcoma
: a neoplastic disease that occurs especially in individuals coinfected with HIV and a specific herpesvirus (species Human herpesvirus 8 of the genus Rhadinovirus), that affects especially the skin and mucous membranes, and that is marked usually by pink to reddish-brown or bluish plaques, macules, papules, or nodules especially on the lower extremities
—abbreviation KS
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Merriam-Webster unabridged
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Time Traveler for Kaposi's sarcoma
The first known use of Kaposi's sarcoma was in 1916
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