SNRNP70 and extranodal nasal NK/T cell lymphoma: In the GI-NKTCL cohort, we found the protein structural mutation site of SNRNP70 to be mainly p.Asp236_Arg237del (Figure 3C), and in TCGA-Pancancer cohort, it is mainly p.Arg155Gln/Pro, occurring predominantly in the RRM_1 domain (Figure 3D).