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Stages of oral squamous cell carcinoma according to the binary numeral system for each of the parameters.
| Situation | Type of invasion | Maturity | Presence of masses | Dysmorphism | Stage |
|---|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 0 | I |
| 2 | 0 | 0 | 0 | 1 | I |
| 3 | 0 | 0 | 1 | 0 | I |
| 4 | 0 | 0 | 1 | 1 | I |
| 5 | 0 | 1 | 0 | 0 | I |
| 6 | 0 | 1 | 0 | 1 | I |
| 7 | 0 | 1 | 1 | 0 | I |
| 8 | 0 | 1 | 1 | 1 | II |
| 9 | 1 | 0 | 0 | 0 | II |
| 10 | 1 | 0 | 0 | 1 | II |
| 11 | 1 | 0 | 1 | 0 | II |
| 12 | 1 | 0 | 1 | 1 | II |
| 13 | 1 | 1 | 0 | 0 | II |
| 14 | 1 | 1 | 0 | 1 | II |
| 15 | 1 | 1 | 1 | 0 | II |
| 16 | 1 | 1 | 1 | 1 | II |
