FOXK2 and bladder transitional cell carcinoma: In contrast, FOXK2 is linked to BLCA (p < 0.05), breast invasive carcinoma (BRCA) (p < 0.05), cholangiocarcinoma (CHOL) (p < 0.05), colon adenocarcinoma (COAD) (p < 0.05), esophageal carcinoma (ESCA) (p < 0.05), and head and neck squamous cell carcinoma (head and neck squamous cell carcinoma).