446
Participants
Start Date
January 31, 2016
Primary Completion Date
May 31, 2018
Study Completion Date
May 31, 2018
Elective neck irradiation
Whole neck irradiation is given in the involved neck. Elective neck irradiation of Level II,III and Va lymph node area is given in the uninvolved neck, and Level IV and Vb lymph node area were not irradiated in the uninvolved neck.
Whole neck irradiation
Whole neck irradiation is given regardless of the involved or uninvolved neck.
Sun Yat-sen University Cancer Center, Guangzhou
Collaborators (1)
First People's Hospital of Foshan
OTHER
Guilin Medical College
OTHER
Sun Yat-sen University
OTHER