Expression of the MYL9 gene is positively correlated with the expression of CAFs in BRCA, BLCA, cervical squamous cell carcinoma and endocervical adenocarcinoma (CESC), CHOL, COAD, STAD, esophageal carcinoma (ESCA), kidney renal papillary cell carcinoma (KIRP), and LIHC. The gene discussed is MYL9; the disease is bladder transitional cell carcinoma.