3、desWUWeiling CHENZhengtang CAIEnqi,etal.(CancerCenterofPLA,XingqiaoHospital,TheThirdMilitaryMedicalUniversity,Chongqing400037,China)Abstract:Objective Tostudythechangesofcyclooxygenase-2(COX-2)inpulmonaryintravascularmacrophages(PIMs)stimulatedbylipopolysaccharides(LPS). Me