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AJCC 2017 TNM for soft tissue sarcomas of the abdomen visceral organs.
| T Category |
| T1 Organ confined |
| T2 Tumor extension into tissue beyond organ |
| T2a invades serosa or visceral peritoneum |
| T2b extension beyond serosa (mesentery) |
| T3 Invades another organ |
| T4 Multifocal involvement |
| N Category |
| N0 no lymph node involvement or unknown lymph node status |
| N1 lymph node involvement present |
| M Category |
| M0 No metastasis |
| M1 Metastasis present |
