The one-step nucleic acid amplification (OSNA) assay is a novel molecular method that can detect metastasis in a whole lymph node based on cytokeratin 19 mRNA copy number. This cohort study aimed to ...
Abbreviations: SN, sentinel lymph node; ITC, isolated tumor cells; H&E, hematoxylin and eosin; IHC, immunohistochemistry; non-SN, nonsentinel lymph node ...