YAP1 and bladder transitional cell carcinoma: On the other hand, YAP‐1 expression was considerably reduced in tumor tissues compared to normal control tissues in cases of uterine corpus endometrial carcinoma (UCEC), bladder urothelial carcinoma (BLCA), paraganglioma (PCPG), adrenocortical carcinoma (ACC), and uterine carcinosarcoma (UCS).40