International Journal of Thyroidology

Table. 1. Table 1

Immunohistochemical staining results from postoperative biopsy

	EGFR	ALK	PD-L1	BRAF
Lung	Exon21 L858R mutant	Negative	Tumor proportion score; 0% -low expression	-
Thyroid	Exon21 L858R mutant	-	-	Wild type

ALK: anaplastic lymphoma kinase, BRAF: B-type Raf kinase gene, EGFR: epidermal growth factor receptor, PD-L1: programmed death-ligand 1