Gleason score
noun
: a score that is the sum of the two Gleason grades assigned to a prostate tumor and that is based on a scale of 2 to 10 with the lowest numbers indicating a slow-growing tumor unlikely to spread and the highest numbers indicating an aggressive tumor
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“Gleason score.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Gleason%20score. Accessed 4 Nov. 2025.
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