This correlation between cytokine levels and disease activity has also been reported by other scientific papers, though IL-8 was not the focus of the aforementioned publications [28,29], underlining the need for further research in regard to utilizing interleukins as a means for monitoring disease activity in relation to the lung, as well as a more in-depth delving into the etiological mechanisms of SS. The gene discussed is CXCL8; the disease is synovial sarcoma.