%0 Letter %T Comment on "Management of 80 sinonasal undifferentiated carcinomas. Retrospective multicentre study of the French Network of Rare Head and Neck Cancers (REFCOR). https://doi.org/10.1016/j.ejso.2023.107108." %A Topkan E %A Somay E %A Selek U %J Eur J Surg Oncol %V 50 %N 6 %D 2024 Jun 19 %M 38521642 %F 4.037 %R 10.1016/j.ejso.2024.108267