Lymph Node Metastasis

• Department of Radiation Oncology, Sun Yat-sen University Cancer Center — Guangzhou, Guangdong, China

• Peking Union Medical College Hospital — Beijing, Beijing Municipality, China
• China-Japan Friendship Hospital — Beijing, Beijing Municipality, China
• Beijing Cancer Hospital — Beijing, Beijing Municipality, China
• Chinese PLA General Hospital — Beijing, Beijng, China

• "Regina Elena" National Cancer Institute — Rome, Italy

• Odense University Hospital — Odense, Denmark
• Sahlgrenska university hospital — Gothenburg, Sweden
• Linköping University Hospital — Linköping, Sweden
• Skåne University Hospital — Lund, Sweden

• Shantou Central Hospital — Shantou, Guangdong, China

• Chaoqiang Deng — Shanghai, Please Select, China

• Kantonsspital Luzern — Lucerne, Switzerland

Not specified

Not specified

• John Hunter Hospital — Newcastle, New South Wales, Australia
• The Royal Darwin Hospital — Darwin, Northern Territory, Australia
• The Wesley Hospital — Auchenflower, Queensland, Australia
• St Andrew's War Memorial Hospital — Brisbane, Queensland, Australia