Fig. 2From: A case of stage IV gastric cancer with para-aortic lymph node metastasis showing pathological complete response after neoadjuvant chemotherapya Hematoxylin and eosin staining in the biopsy specimen confirming poorly differentiated adenocarcinoma. b HER2 immunohistochemical staining in the biopsy specimen confirming strong expression of HER2 in the tumor cellBack to article page