BFSP1 and clear cell renal carcinoma: In contrast, BFSP1 expression was significantly downregulated in other tumor types, such as cervical squamous cell carcinoma, endocervical adenocarcinoma, glioblastoma multiforme, HPV-negative head and neck squamous cell carcinoma, kidney chromophobe, renal clear cell carcinoma, lung adenocarcinoma, thyroid carcinoma, and uterine corpus endometrial carcinoma.