S100A10 and breast cancer: As a S100 protein (Bydoun and Waisman, 2014; Holthenrich and Gerke, 2018), S100A10 has increased expressions in breast cancer (McKiernan et al., 2011), lung cancer (Katono et al., 2016), gastric cancer (El-Rifai et al., 2002), and pancreatic ductal cancer (Bydoun et al., 2018).