Figure 2From: Immune response after systematic lymph node dissection in lung cancer surgery: changes of interleukin-6 level in serum, pleural lavage fluid, and lung supernatant in a dog modelIL-6 levels in pleural lavage fluid (A) and lung supernatant (B). (A) In both groups, IL-6 was marginally increased 2 hours after thoracotomy, but there was no difference between group 1 and group 2 (P= 0.432). (B) IL-6 was significantly increased in both groups 2 hours after thoracotomy, but there was no difference between group 1 and group 2 (P= 0.448).Back to article page