As shown in Figure 2B and Supplementary Figure S3A, the CHST4 was weakly expressed in cervical squamous carcinoma, gastric adenocarcinoma, thyroid papillary carcinoma, renal clear cell carcinoma, and duodenal adenocarcinoma compared to the matched normal tissues. The gene discussed is CHST4; the disease is thyroid gland papillary carcinoma.