We found that FOXQ1 expression was related to the infiltration of the 22 different immune cell types in different cancers, such as breast invasive carcinoma (n = 12), thyroid carcinoma (n = 11), bladder urothelial carcinoma (n = 10), and lung adenocarcinoma (n = 10) (Table 2); other results are shown in Supplementary Table S3. Here, FOXQ1 is linked to bladder transitional cell carcinoma.