NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,811 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

stage III prostate cancer
(...PROS-tayt KAN-ser)
Cancer has spread beyond the outer layer of the prostate and may have spread to the seminal vesicles. The prostate-specific antigen (PSA) level can be any level and the Gleason score can range from 2 to 10.

EnlargeProstate cancer staging; six  panel drawing showing a side view of normal  male  anatomy and closeup views of Stage I, Stage IIA, Stage IIB, Stage III, and Stage IV  showing cancer growing from within the  prostate to nearby tissue and then to lymph nodes or other parts of the body.

As prostate cancer progresses from Stage I to Stage IV, the cancer cells grow within the prostate, through the outer layer of the prostate into nearby tissue, and then to lymph nodes or other parts of the body.