In the LumB, HER2+ case examined (spot117), EH evaluated for central cells of both EPH Groups 2 and 3 was significantly higher than for EPH1 and 4 (p < 0.01), suggesting that EPH2 and 3 cells are more likely to be present in a heterogeneous cellular environment compared to other cellular groups in this tumor (Fig. 5F). Here, ERBB2 is linked to neoplasm.