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Definition |
Stage III includes: IIIA: T1-2, N0, M0, PSA 20 or more, Grade Group 1-4; IIIB: T3-4, N0, M0, PSA: Any, Grade Group 1-4; IIIC: Any T, N0, M0, PSA: Any, Grade Group 5. T1: Prostate cancer with clinically inapparent tumor that is not palpable. T2: Prostate cancer in which the tumor is palpable and confined within the prostate. T3: Prostate cancer with extraprostatic tumor that is not fixed or does not invade adjacent structures. T4: Prostate cancer in which the tumor is fixed or invades adjacent structures other than seminal vesicles such as external sphincter, rectum, bladder, levator muscles, and/or pelvic wall. N0: Prostate cancer with no positive regional nodes. M0: Prostate cancer without evidence of distant metastasis. Grade Group 1: Gleason Score 6 or less, Gleason Pattern 3 or less+3. Grade Group 2: Gleason Score 7, Gleason Pattern 3+4. Grade Group 3: Gleason Score 7, Gleason Pattern 4+3. Grade Group 4: Gleason Score 8, Gleason Pattern 4+4. Grade Group 5: Gleason Score 9 or 10, Gleason Pattern 4+5, or 5+4, or 5+5. (AJCC 8th ed.)
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