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| Positive immunoreactivity for C‐kit | Negative immunoreactivity for C‐kit | Total | |
|---|---|---|---|
| n (%) | n (%) | n | |
| Optic nerve or choroidal invasion | 31 (62.00) | 19 (38.00) | 50 |
| Invasion to optic nerve | 20 (68.97) | 9 (31.03) | 29 |
| Invasion to choroid | 26 (59.09) | 18 (40.91) | 44 |
| Invasion to both optic nerve and choroid | 15 (65.22) | 8 (34.78) | 23 |
| No invasion | 2 (15.38) | 11 (84.62) | 13 |
| Overall | 33 (52.38) | 30 (47.62) | 63 |
