Clinical Study

Regional Failures after Selective Neck Dissection in Previously Untreated Squamous Cell Carcinoma of Oral Cavity

Table 7

Frequency of node positivity on histopathology in patients with well-differentiated tumors and clinically node negative neck.

pN0%pN1%pN2a%pN2b%Total

cT1278726.5026.531
cT21753722082532
cT35710114.5114.57
cT466711102229
5570101311131679

p: pathological.
c: clinical.