Effect of totally thoracoscopic esophagectomy on postoperative complications and serum inflammatory factors in patients with early esophageal cancer

Figure 1 Serum inflammatory factors in two groups of patients. ^aP < 0.05 and ^bP < 0.01 vs the preoperative level; ^cP < 0.05 vs control. A: Changes in pre- and post-operative interleukin-6 Levels in the two groups; B: Changes in pre- and post-operative interleukin-8 Levels in the two groups; C: Changes in pre- and post-operative tumor necrosis factor-α levels in the two groups. IL-6: Interleukin-6; IL-8: Interleukin-8; TNF-α: Tumor necrosis factor-α.