Low MAL transcript levels were detected in tumors from breast invasive carcinoma (BRCA) [67], esophageal squamous carcinoma (ESCA) [68,69], head and neck squamous cell carcinoma (HNSC) [70,71,72,73,74], stomach adenocarcinoma (STAD) [75,76], colon (COAD) and rectum adenocarcinoma (READ) [77,78,79,80,81,82], lung adenocarcinoma (LUAD) and lung squamous cell carcinoma (LUSC) [83,84], cervical squamous cell carcinoma (CESC) [85,86,87], and bladder urothelial carcinoma (BLCA) [88,89,90]. The gene discussed is MAL; the disease is bladder transitional cell carcinoma.