| | Stage | TNM categories |
| | Stage 1 | T1a, N0, M0, and G1 |
| | Stage II | T1a, N0, M0, and G2–4 | | T1b, N0, M0, and any G | | T1c, N0, M0, and any G | | T1, N0, M0, and any G | | T2, N0, M0, and any G |
| | Stage III | T3, N0, M0, and any G |
| | Stage IV | T4, N0, M0, and any G | | Any T, N1, M0, and any G | | Any T, any N, M1, and any G |
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