Li MH, Hu YJ, Shan HM, Gao XL, et al. The role of lymph node level ratio in predicting prognosis and the benefits of
postoperative radiotherapy in patients with pathological N1 stage head and neck
squamous cell carcinoma. Oral Oncol 2025;161:107193.
PMID: 39827591
![]() |
![]() |
![]() |