What does a Gleason score of 7 mean?


Quick Answer

A Gleason score of 7 indicates that prostate cancer is in stage 2A, according to the National Cancer Institute. Though more advanced than stage 1 cancer, stage 2A has not spread beyond the prostate.

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Full Answer

The Gleason score, which ranges from 2 to 10, is determined by microscopic examination of the prostate tumor, the National Cancer Institute explains. The score expresses how similar the cancerous tissue is to normal tissue and how much it is anticipated to spread. The higher the score, the less the tumor resemblance normal cells and the greater its possibility of spreading. Typically, a doctor is unable to feel a 2A prostate tumor, nor is it detectable with a transrectal ultrasound, states the American Cancer Society.

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