And compared with normal tissues, BIRC5 expression is significantly higher in tumor tissues samples from patients with 20 out of 33 tumor types, including bladder urothelial carcinoma (BLCA), BRCA, HNSC, lung adenocarcinoma(LUAD), lung squamous cell carcinoma (LUSC) and READ (Fig. 1B). Here, BIRC5 is linked to squamous cell lung carcinoma.