CXCL9 and stomach polyp: In a research, it was found that reducing the levels of MIG in serum helped improve the damage to the stomach lining caused by Helicobacter pylori infection (Eck et al., 2000; Yang et al., 2020), a condition often linked to gastric polyps (Sonnenberg and Genta, 2015; Carmack et al., 2009).