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Definition |
Stage I includes: (cT1a-c, cT2a, N0, M0, PSA less than 10, Grade Group 1); (pT2, N0, M0, PSA less than 10, Grade Group 1). 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. pT2: Prostate cancer which is organ confined. 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. (AJCC 8th ed.)
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