CD40 and myeloid sarcoma: Regarding MS, four cytokines, including Natural killer cell receptor 2B4 (p‐value = 0.0227), CD40L receptor (p‐value = 5.00E‐16), T‐cell surface glycoprotein CD6 isoform (1.34E‐39) and Leukaemia inhibitory factor receptor (p‐value = 0.0054), were identified as having an upstream impact on its pathogenesis (Table 3).