For citations:
Karpenko A.V., Sibgatullin R.R., Boyko A.A., Nikolayeva O.M. Rapid clinical progression of stage III-IV oral and oropharyngeal cancer after upfront surgery and difficulty in the assessment of the effectiveness of adjuvant radiotherapy. Head and Neck Tumors (HNT). 2022;12(2):25-32. (In Russ.) https://doi.org/10.17650/2222-1468-2022-12-2-25-32