2016_Head & Neck COURSE BOOK

CTV Elective lymph nodes NPC 

Stage 

Ipsilateral neck Contralateral neck

N0‐N1

II‐III‐IV‐V + RP  II‐III‐IV‐V + RP 

II‐III‐IV‐V + RP  II‐III‐IV‐V + RP 

N2a‐N2b

N2c

According to N stage  on each side of the 

According to N stage  on each side of the 

neck

neck

N3

II‐III‐IV‐V +RP ±

II‐III‐IV‐V +RP

adjacent structures  according to clinical  judgment

V. Gregoire et al. Radiotherapy and Oncology 56 (2000)