Fig. 3From: Appendicitis caused by the metastasis of HER2-positive breast cancerThe histopathological and immunohistochemical diagnoses of the breast tumor and appendiceal tumor. a The breast tumor findings (HE, ER, PR, HER2, E-cadherin). b The appendiceal tumor findings (HE, ER, PR, HER2, E-cadherin)Back to article page