2256-2257 / 2351
INTRODUCTION
Presence of malignancy in one or more lymph nodes within the head and neck region
that are
not solely
in the
supraclavicular region, without an identifiable primary tumor
SMALL SIZE AND ANATOMICAL POSITION
OR
CANCER CONFINED TO LYMPHOEPITHELIAL
TISSUE OF THE OROPHARYNX
(CRYPT ARE CHARACTERIZED BY
INCOMPLETE BASEMENT MEMBRANE)
OR……..
Pawlita, Clin Exp Metastasis, 2015
WHY?
mercoledì 29 giugno 16