TY - JOUR T1 - The Prognostic Value of Pathological Extranodal Extension and Staging Change According to the 8th Edition Pathologic Staging Modifications for Head and Neck Cancer Y1 - 2021 PY - 2021 DA - 2021 N1 - doi:2021.96176 T2 - EURASIAN JOURNAL OF MEDICIAL INVESTIGATION JF - EURASIAN JOURNAL OF MEDICIAL INVESTIGATION JO - EJMI SP - 486 EP - 490 VL - 5 IS - 4 SN - M3 - doi:2021.96176 UR - https://dx.doi.org/10.14744/ejmi.2021.96176 Y2 - 2021 ER -