| GIST | |
|---|---|
| T: primary tumor | |
| TX | Primary tumor cannot be assessed |
| T0 | No evidence of primary tumor |
| T1 | Tumor 2 cm or less |
| T2 | Tumor more than 2 cm but not more than 5 cm |
| T3 | Tumor more than 5 cm but not more than 10 cm |
| T4 | Tumor more than 10 cm in greatest dimension |
| N: regional lymph nodes | |
| NX | Regional lymph nodes cannot be assessed |
| N0 | No regional lymph node metastasis |
| N1 | Regional lymph node metastasis |
| M: distant metastasis | |
| M0 | No distant metastasis |
| M1 | Distant metastasis |