Table 3. Primary Tumor (T)a
| TX | Primary tumor cannot be assessed. |
| T0 | No evidence of primary tumor. |
| T1 | Tumor ≤5 cm in greatest dimension.b |
| T1a | Superficial tumor. |
| T1b | Deep tumor. |
| T2 | Tumor >5 cm in greatest dimension.b |
| T2a | Superficial tumor. |
| T2b | Deep tumor. |
| aReprinted with permission from AJCC: Soft tissue sarcoma. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 291-8. |
| bSuperficial tumor is located exclusively above the superficial fascia without invasion of the fascia; deep tumor is located either exclusively beneath the superficial fascia, superficial to the fascia with invasion of or through the fascia, or both superficial yet beneath the fascia. |
