Besides, the aberrant expression pattern of MIR31HG in multiples cancers and matched normal tissues were also identified, including sarcoma (SARC), LUAD, lung squamous cell carcinoma (LUSC), cervical squamous cell carcinoma and endocervical adenocarcinoma (CESC), pancreatic adenocarcinoma (PAAD), bladder urothelial carcinoma (BLCA), breast invasive carcinoma (BRCA), colon adenocarcinoma (COAD), rectum adenocarcinoma (READ), stomach adenocarcinoma (STAD), and esophageal carcinoma (ESCA) (Additional file 1: Figure S1b, c). The gene discussed is MIR31HG; the disease is gastric adenocarcinoma.