FTC can be diagnosed when follicular thyroid tumor invades blood vessels, capsule and surrounding tissue.LysoPA acts on tissues to produce endothelin and angiogenic factors (vascular endothelial growth factor (VEGF), interleukin (IL)-6, etc.), which can be used as paracrine growth factors of malignant cells. The gene discussed is IL6; the disease is thyroid cancer, nonmedullary, 2.