ocr: TABLE 36.2-10. Staging of Breast Cancer (AJCC, 1992)* TNM DEFINITIONS Primary Tumor Tx Primary tumor cannot be assessed TO No evidence of primary tumor Tis Carcinoma in situ: intraductal carcinoma, lobular carcinoma in situ, or Paget's disease of the nipple with no tumor TI Tumor 2 cm or less in greatest dimension Tla 0.5 cm or smaller Tlb More than 0.5 cm, but not more than I cm in greatest dimension Tlc More than 1 cm, but not more than 2 cm in greatest dimension T2 Tumor more than 2 cm but not more than 5 cm in greatest dimension T3 Tumor more than 5 cm in greatest dimension T4 Tumor of any ...
