| 分期 | 分组 | 例数 | 比例 |
| T1 |
|
|
|
|
| 肿瘤直径 ≤ 5 cm | 5 | 27.8% |
|
| 肿瘤直径 > 5 cm | 13 | 72.2% |
| T2 |
|
|
|
|
| 侵犯心包 | 4 | 22.2% |
|
| 侵犯肺 | 1 | 5.6% |
|
| 侵犯膈神经 | 0 | 0.0% |
| T3 |
|
|
|
|
| 侵犯胸壁 | 6 | 33.3% |
|
| 侵犯头臂静脉 | 2 | 11.1% |
|
| 侵犯上腔静脉 | 5 | 27.8% |
|
| 侵犯心包外肺动静脉 | 0 | 0.0% |
| T4 |
|
|
|
|
| 侵犯主动脉及其分支 | 3 | 16.7% |
|
| 侵犯心肌 | 0 | 0.0% |
|
| 侵犯心包内肺动静脉 | 1 | 5.6% |
|
| 侵犯食管 | 0 | 0.0% |
|
| 侵犯气管 | 0 | 0.0% |
| N1 |
|
|
|
|
| 前纵隔(胸腺周围)淋巴结转移 | 16 | 88.9% |
| N2 |
|
|
|
|
| 胸部深处淋巴结转移 | 9 | 50.0% |
|
| 颈部淋巴结转移 | 2 | 11.1% |
| M1a |
|
|
|
|
| 胸膜转移 | 5 | 27.8% |
|
| 心包转移 | 0 | 0.0% |
| M1b |
|
|
|
|
| 肺实质转移 | 4 | 22.2% |
|
| 远处器官转移 | 1 | 5.6% |