Correction: Hypoxic Tumor-Derived Exosomal miR-301a Mediates M2 Macrophage Polarization via PTEN/PI3Kγ to Promote Pancreatic Cancer Metastasis

In the original version of this article (1), the image depicting the effect of macrophages treated with PANC-1-H-exo and transfected with PI3Kγ siRNA on pancreatic cancer cells invasion in the bottom left panel of Fig. 5L is incorrect. The error has been corrected in the latest online HTML and PDF versions of the article. The authors regret this error.