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Bladder Cancer Treatment (PDQ®)

  • Updated: 10/23/2014

Table 1. Definitions of TNM Stages 0 and 0is

Stage  TNM Description Illustration 
0aTa, N0, M0Ta = Noninvasive papillary carcinoma.
N0 = No lymph node metastasis.
M0 = No distant metastasis.
0isTis, N0, M0Tis = Carcinoma in situ: "flat tumor."
N0 = No lymph node metastasis.
M0 = No distant metastasis.

T = primary tumor; N = regional lymph nodes; M = distant metastasis.
Reprinted with permission from AJCC: Urinary bladder. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 497–505.