Table II.
Stage | Single primary oral SCC (n=961) | Multiple primary oral SCC at first occurrence (n=54) | P-value |
---|---|---|---|
Tumor | P=0.001 | ||
T1 | 412 | 31 | |
T2 | 321 | 34 | |
T3 | 124 | 13 | |
T4 | 104 | 31 | |
CLNM | P=0.327 | ||
Positive | 231 | 15 | |
Negative | 651 | 44 |
CLNM: cervical lymph node metastasis