They found that the expression of LAYN was associated with increased levels of immune permeation of CD8+ T cells, CD4+ T cells, macrophages, neutrophils, and DCs in colon and gastric cancer.41 Compared with the results of Pan et al, MIR155HG has a wider range of tumor applicability and was more closely related to immune cells and immune molecules. Here, CD4 is linked to gastric cancer.