Fig. 3
From: Late recurrence of breast carcinoma metastasis to the hypopharynx: a case report
Hematoxylin-eosin staining (H&E) and immunohistochemical studies. a Microscopic photos of the hypopharyngeal biopsy specimen (H&E). b The hypopharyngeal biopsy sample was diagnosed as metastatic breast carcinoma after positive ER immunostaining. c Microscopic photos of the lymph node specimen (H&E). d Positive ER immunostaining. e Positive progesterone receptor immunostaining. f Positive mammaglobin immunostaining