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Childhood Soft Tissue Sarcoma Treatment (PDQ®)

  • Updated: 09/08/2014

Table 3. Primary Tumor (T)a

TXPrimary tumor cannot be assessed.
T0No evidence of primary tumor.
T1Tumor ≤5 cm in greatest dimension.b
T1aSuperficial tumor.
T1bDeep tumor.
T2Tumor >5 cm in greatest dimension.b
T2aSuperficial tumor.
T2bDeep 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.