ThyroidPrint® is a novel q-PCR-based ten-gene classifier with its signature representing both the tumor microenvironment (CXCR3, CXCL10, CCR3, CCR7, and CXADR) and tumor epithelial cells (TIMP1, CLDN1, KTR19, AFAPL2, and HMOX1). Here, CLDN1 is linked to neoplasm.