EATL-II also termed monomorphic CD56+ intestinal T-cell lymphoma, or monomorphic epitheliotropic intestinal T-cell lymphoma2, is composed of CD3+ CD8+ CD56+ monomorphic medium-sized cells with round nuclei and pale cytoplasm, showing marked epitheliotropism to the adjacent intestinal mucosa. The gene discussed is NCAM1; the disease is enteropathy-associated T-cell lymphoma.