The expression levels of LPAR5 were higher in COAD, PCPG, and PRAD corresponding to normal samples, and the expression levels were higher in tumor samples of BLCA, BRCA, CESC, CHOL, GBM, KICH, KIRC, KIRP, LUAD, LUSC, and THCA. The gene discussed is LPAR5; the disease is bladder transitional cell carcinoma.