Answer: C
Clinical staging is of greater importance than histopathologic grading in predicting biologic outcome.
Tumor T1: <2>
T2: 2.1 to 4.0 cm
T3: >4.0 cm
T4: >4.0 cm with infiltration of muscles or bone
Nodes N0: No palpable
N1: 1 ipsilateral node <3>
N2a: 1 ipsilateral node 3.1-6.0 cm
N2b: Multiple ipsilateral nodes <6>
N2c: bilateral nodes <6>
N3: node>6 cm
Metastasis M0: no distant metastasis
M1: Distant metastasis
Staging:
-
Stage
T
N
M
1
1
0
0
2
2
0
0
3
3
0
0
1-3
1
0
4
4
0
0
1-4
2-3
0
1-4
1-3
1
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