A

Distant metastasis present at diagnosis

Table 20-6. TNM Staging of Rhabdomyosarcoma

T1 = Confined to anatomic site of origin T2 = Extension a = <5 cm in diameter b = >5 cm in diameter

N = Regional nodes NO = Not clinically involved

N1 = Clinically involved

NX = Clinical status unknown

M = Metastasis" M0 = No distant metastasis

M1 = Distant metastasis present

TNM pretreatment staging classification for intergroup rhabdomyosarcoma study IV

Stage Sites

T invasiveness T Size N

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