Acknowledgments
We would like to express our gratitude to Dr. Meihua Liu from the Otolaryngology Immunotherapy Center of Foshan First People's Hospital for his hard work in Intra-cervical lymphatic immunotherapy. We would also like to express our gratitude to Dr. Yue Xiong, an ultrasound doctor, for patiently administering Intra-cervical lymphotic injections to each patient. We appreciate the valuable comments and suggestions provided by the reviewers, which have enriched our manuscript and improved its quality. We sincerely thank every staff member of Frontiers Immunology Production Office.