the more consistent addition of a neck dissection in recent years has resulted in improved neck control rates in this group : 13/20 ( 65 % ) for n1-n2 disease and 2/7 ( 29 % ) for n3a disease following irradiation alone versus 6/7 ( 86 % ) for n2 disease and 5/8 ( 63 % ) for n3a disease when a neck dissection was added following irradiation .
C0027530
neck
C0398395
neck