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目的 Neovascularizationandinvasioncoordinatecancermetastasesinnon-smallcelllungcancer(NSCLC).However,theunderlyingmolecularmechanismsarepoorlyunderstood.Recently,asubstantialroleofplacentalgrowthfactor(PLGF)incancercellinvasionhasbeenacknowledgedinseveraltypesofcancer,whereasapossibleinvolvementofPLGFinthemetastasesofNSCLChasnotbeenstudied.