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T classification of reported Melanomas.
| Stage | Depth of Melanoma | Number of Patients (%) |
|---|---|---|
| T1b | ≤1.0 mm in thickness with ulceration or mitoses ≥1/mm2 | 51 (32.7%) |
| T2a | 1.01–2.0 mm in thickness without ulceration | 46 (29.5%) |
| T2b | 1.01–2.0 mm in thickness with ulceration | 11 (7.0%) |
| T3a | 2.01–4.0 mm in thickness with ulceration | 14 (9.0%) |
| T3b | 2.01–4.0 mm in thickness without ulceration | 18 (11.5%) |
| T4a | >4.0 mm in thickness without ulceration | 5 (3.2%) |
| T4b | >4.0 mm in thickness with ulceration | 11 (7.0%) |
