Previous studies have shown that IL4I1 is highly expressed invarious human cancers, including ovarian, colorectal, melanoma, head-neckcancers, and B-cell lymphoma, where it may facilitate immune escape and isassociated with a poor prognosis [20, 21, 22, 23, 24, 25]. Here, IL4I1 is linked to B-cell non-Hodgkin lymphoma.