Fig. 2
From: Metastatic rectal cancer to papillary thyroid carcinoma: a case report and review of literature
Images of histopathological and immunohistochemical (IHC) showing metastatic carcinoma in the resected thyroid gland. a H&E stain of thyroid gland detects adenocarcinoma with mucinous features, consistent with metastatic rectal adenocarcinoma. b Tumor cells are negative for TTF-1 staining. c Tumor cells are negative for PAX8 staining. d Tumor cells are positive for CK20 staining. e Tumor cells are positive for CDX-2 staining. f Tumor cells are positive for Villin staining.