Masaoka Stage (%) | Thymoma | Thymic carcinoma | Male | Female |
I (46) | 6 cases | --- | 4 | 2 |
II (23) | 2 cases | 1 case | 1 | 2 |
III (8) | 1 case | --- | 1 | --- |
IV (23) | ---- | 3 cases | 2 | 1 |