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Definition |
Stage II includes: IIA: (cT1a-c, cT2a, N0, M0, PSA equal or more than 10 and less than 20, Grade Group 1); (cT2b-c, N0, M0, PSA less than 20, Grade Group 1); IIB: T1-2, N0, M0, PSA less than 20, Grade Group 2; IIC: (T1-2, N0, M0, PSA less than 20, Grade Group 3); (T1-2, N0, M0, PSA less than 20, Grade Group 4). cT1a: Prostate cancer in which the tumor is an incidental histologic finding in 5% or less of tissue resected. cT1b: Prostate cancer in which the tumor is an incidental histologic finding in more than 5% of tissue resected. cT1c: Prostate cancer in which the tumor is identified by needle biopsy found in one or both sides, but not palpable. cT2a: Prostate cancer in which the tumor involves one-half of one side or less. cT2b: Prostate cancer in which the tumor involves more than one-half of one side but not both sides. cT2c: Prostate cancer in which the tumor involves both sides. 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. 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. (AJCC 8th ed.)
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