TRGC1 and enteropathy-associated T-cell lymphoma: Indeed, Daum et al. [119] demonstrated that a clonal TCR-γ gene rearrangement could be found in 3/8 duodenal biopsies of patients with EATL, in 2/2 patients with UJI, in 2/3 patients with RCD evolving to EATL, and in 1/6 patient with RCD, whereas clonal rearrangements were present in all resected EATL.