TNF and coronary artery disorder: It is reported that EAT in patients undergoing coronary artery bypass graft (CABG) highly expressed several inflammatory cytokines and chemokines, such as interleukin (IL)-6 and tumor necrosis factor (TNF)-α compared with their subcutaneous fat (Mazurek et al., 2003) or compared with EAT in non-CAD patients (Hirata et al., 2011b).