Corrigendum to "Simvastatin attenuates macrophage-mediated gemcitabine resistance of pancreatic ductal adenocarcinoma by regulating the TGF-β1/Gfi-1" [Canc. Lett. 385 (2017) 65–74]. (1st August 2022) - Xian, Guozhe; Zhao, Juan; Qin, Chengkun; Zhang, Zhenhai; Lin, Yanliang; Su, Zhongxue