|  | Thymoma | Thymic carcinoma | ||||
---|---|---|---|---|---|---|---|
(a) CD68 | Stage | Low | High | p-value | Low | High | p-value |
 | I | 21 | 9 | 0.853 | 0 | 0 | 0.262 |
 | II | 11 | 6 |  | 5 | 2 |  |
 | III | 4 | 1 |  | 2 | 2 |  |
 | IV | 1 | 0 |  | 1 | 2 |  |
 |  | Thymoma | Thymic carcinoma | ||||
(b) CD163 | Stage | Low | High | p-value | Low | High | p-value |
 | I | 10 | 20 | 0.754 | 0 | 0 | 0.138 |
 | II | 7 | 10 |  | 0 | 7 |  |
 | III | 2 | 3 |  | 2 | 4 |  |
 | IV | 0 | 1 |  | 1 | 2 |  |
 |  | Thymoma | Thymic carcinoma | ||||
(c) S100 | Stage | Low | High | p-value | Low | High | p-value |
 | I | 19 | 11 | 0.279 | 0 | 0 | 0.691 |
 | II | 8 | 9 |  | 6 | 1 |  |
 | III | 3 | 2 |  | 4 | 0 |  |
 | IV | 0 | 1 |  | 2 | 0 |  |