Monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL) is a subtype of T-cell lymphoma that typically consists of small to medium-sized lymphoid cells with epitheliotropism and is immunophenotypically positive for CD8 but negative for CD4 and CD30 [8]. The gene discussed is TNFRSF8; the disease is T-cell non-Hodgkin lymphoma.