NCAM1 and neoplasm: The clinicopathological findings and the model prediction results of the four borderline cases as diagnosed by the senior hematopathologist are presented in Figure 3B. Phenotypically, they were all consistent with MEITL, with neoplastic cells expressing CD8, CD56, and cytotoxic markers; however, the tumor cells were larger than would be expected in typical cases of MEITL.