Table 2:
TNM Clinical Stages
T1a Nonpalpable, with < 5% of tissue with cancer, low grade
(diagnosed by transurethral resection of the prostate)
T1b Nonpalpable, with > 5% of tissue with cancer and/or high grade (diagnosed by transurethral resection of the prostate)
T1c Nonpalpable, but prostate-specific antigen elevated
T2a Palpable, half of one lobe or less
T2b Palpable, more than half of one lobe, not both lobes
T2c Palpable, involves both lobes
T3a Palpable, unilateral capsular penetration
 
Copyright 2002 The Cleveland Clinic Foundation

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