Positive
n = 18
Negative
n = 26
p value
Tumor size      
<1 cm 7 (53.8%) 6 (46.2%) 0.258
≥1 cm 11 (35.5%) 20 (64.5%)  
Grade     *
I 0 (0.0%) 2 (100.0%)
II 16 (40.0%) 24 (60.0%)
III 2 (100.0%) 0 (0.0%)
Extracapsular Invasion     0.003
Positive 12(100.0%) 0 (0.0%)
Negative 6 (18.8%) 26 (81.2%)
* No p value due to the small number of cases in grade I and III
Table 2: Relation between ipsilateral level VI lymph node involvement and tumor characteristics.