Table 3. Stage Classification of 2010 Cases by AJCC 6th Edition Compared to AJCC 7th Edition.
AJCC 7 | ||||||||
---|---|---|---|---|---|---|---|---|
AJCC 6 | 0aa | 0isb | I | II | III | IV | Unknown | TOTAL |
0a | 8073 | 0 | 0 | 0 | 0 | 0 | 0 | 8073 |
0is | 0 | 870 | 0 | 0 | 0 | 0 | 0 | 870 |
I | 0 | 0 | 3828 | 0 | 0 | 0 | 0 | 3828 |
II | 0 | 0 | 0 | 2000 | 0 | 0 | 0 | 2000 |
III | 0 | 0 | 0 | 0 | 695 | 0 | 0 | 695 |
IV | 0 | 0 | 0 | 0 | 0 | 1226 | 0 | 1226 |
Unknown | 0 | 0 | 4 | 18 | 4 | 0 | 620 | 646 |
TOTAL | 8073 | 870 | 3832 | 2018 | 699 | 1226 | 620 | 17 338 |
Abbreviation: AJCC, American Joint Committee on Cancer.
0a refers to Stage 0 tumors classified as noninvasive papillary transitional carcinoma.
0is refers to Stage 0 tumors classified as urothelial carcinoma in situ.