Skip to main content
. Author manuscript; available in PMC: 2020 Nov 9.
Published in final edited form as: Expert Rev Anticancer Ther. 2018 Aug;18(8):775–784. doi: 10.1080/14737140.2018.1489246

Table 5.

Comparison of AJCC 7th edition and AJCC 8th edition pathological stage III subgroupsa,b.

8th Edition 7th Edition
Pathological Stage Group T N M T N M
IIIA T1a/b-T2a N1a or N2a M0 T1–4a N1a or N2a M0
IIIB T0 N1b, N1c M0 – – –
IIIB T1a/b-T2a N1b/c or N2b M0 T1–4b N1a or N2a M0
IIIB T2b/T3a N1a-N2b M0 T1–4a N1b, N2b, or N2c M0
IIIC T0 N2b, N2c, N3b, or N3c M0 – – –
IIIC T1a-T3a N2c or N3a/b/c M0 T1–4b N1b, N2b, or N2c M0
IIIC T3b/T4a Any N ≥N1 M0 Any T N3 M0
IIIC T4b N1a-N2c M0 – – –
IIID T4b N3a/b/c M0 – – –

–, No counterpart in AJCC 7th Edition.

a

Adapted from and used with permission of the American Joint Committee on Cancer (AJCC), Chicago, Illinois. The original and primary source for this information is the AJCC Cancer Staging Manual, 8th Edition (2017), published by Springer International Publishing (Gershenwald JE, Scolyer RA, Hess KR, et al. Melanoma of the Skin. In: Amin AB, Edge SB, Greene, FL, et al. (Eds). AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017:563–585).

b

Adapted from and used with permission of the American Joint Committee on Cancer (AJCC), Chicago, Illinois. The original and primary source for this information is the AJCC Cancer Staging Manual, 7th Edition (2009), published by Springer Verlag (Balch CM, Gershenwald JE, Soong SJ, et al. Melanoma of the Skin. In: Edge SB, Byrd D, Compton C, et al. (Eds). AJCC Cancer Staging Manual. 7th Ed. New York: Springer; 2009: 325–344.