NCAM1 and T-cell non-Hodgkin lymphoma: Weiss et al. [20] reported on a 6-year-old patient with NK cell-like T-cell lymphoma restricted to the jejunum; the tumour cells were positive for CD3 and CD56 and negative for CD4, CD8 and CD30, and there was no EBV infection, similar to type II EATL.