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American Joint Committee on Cancer prognostic stage groups for cutaneous squamous cell carcinoma, 8th edition.
| Stage group | T | N | M |
|---|---|---|---|
| 0 | Tis | N0 | M0 |
| I | T1 | N0 | M0 |
| II | T2 | N0 | M0 |
| III | T3 | N0 | M0 |
| T1 | N1 | M0 | |
| T2 | N1 | M0 | |
| T3 | N1 | M0 | |
| IV | T1 | N2 | M0 |
| T2 | N2 | M0 | |
| T3 | N2 | M0 | |
| Any T | N3 | M0 | |
| T4 | Any N | M0 | |
| Any T | Any N | M1 |
Abbreviations: T, tumor; N, node; M, metastasis.
