ERBB2 and neoplasm: We checked the 4 cases, two of them were with a 3+ HER2 score in 10% of the tumor cells by IHC, the intensity of the third one was moderate but also classified into 3+ score after discussion and the percentage was 30% of the tumor cells, and the fourth one was with a 3+ HER2 score in 40% of the tumor cells by IHC.