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Location—stage differentiation
| Auricle | Lip | Nose | Buccae | Temple | Scalp | Ocular | Forehead | Neck | All | |
|---|---|---|---|---|---|---|---|---|---|---|
| T1 | 6 | 8 | 2 | 3 | 2 | 1 | 2 | 0 | 0 | 24 (24 %) |
| T2 | 17 | 9 | 6 | 6 | 4 | 2 | 0 | 1 | 1 | 46 (46 %) |
| T3 | 5 | 4 | 5 | 1 | 3 | 3 | 1 | 1 | 0 | 23 (23 %) |
| T4 | 1 | 1 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 7 (7 %) |
| All | 29 | 22 | 15 | 12 | 9 | 6 | 4 | 2 | 1 | 100 (100 %) |
