ocr: TABLE 33.4-2. Comparison of the TNM and Whitmore-Jewett Staging Systems for Clinically Localized Prostate Cancer Stage TNM Whitmore-Jewett Description TX * Tumor cannot be assessed TO * No à evidence of tumor Tla Al Tumor found incidentally ar TURP (<5%) of resected tissue) TIb * Tumor found incidentally at TURP (<5% of resected tissue) Tlc BO Nonpalpable tumor identified by means of an elevated serum PSA valuet T2a Bl Tumor involves half of: a lobe or less T2b B1 Tumor involves more than half a lobe but not both lobes T2c B2 Tumor involves both lobes T3a Cl Unilateral extracapsular extension ...