STAT3 and pancreatic neoplasm: Other studies also show that STAT3 inhibition increases radiosensitivity in different tumors such as hepatocellular carcinoma, squamous cell carcinoma of the head and neck, gastric cancer, pancreatic cancer, etc., (Adachi et al., 2012; Bu et al., 2013; Huang et al., 2014; 2016; Lee et al., 2019; You et al., 2019; Wang et al., 2020b).