Research Article

The Impact of 18F-FDG PET CT Prior to Chemoradiotherapy for Stage III/IV Head and Neck Squamous Cell Carcinoma

Table 2

TNM distribution prior to PET-CT examination.

T1T2T3T4

N0426
N1451111
N2a20002
N2b682521
N2c262414
N310001
151991255