The study by Kang et al. reported different HLA alleles associated with SS in different ethnic groups, with susceptibility genes in Chinese patients with SS, including HLA-DRB1*08:03, HLA-DQA1*01:03, and HLA-DQB1*06:01, and consistent with our findings.34 Here, HLA-DRB1 is linked to synovial sarcoma.