In addition, although no significant differences were found in the levels of white blood cells, basophils, eosinophils, lymphocytes, monocytes, neutrophils, lactate dehydrogenase, and TARC in the sera of individuals with SS and those without SS, total IgE levels were modestly but significantly higher in individuals with SS compared with non‐SS (p = 0.018) (Table 1). Here, CCL17 is linked to synovial sarcoma.