The 5‐year OS for the individual groups was as follows: PTCL‐NOS: 33.6%; AITL: 31.9%; ALK‐positive ALCL: 66.7%; ALK‐negative ALCL: 54.5%; and EATL: 0% (Figure 2B). This evidence concerns the gene ALK and enteropathy-associated T-cell lymphoma.