FAP and endocervical adenocarcinoma: However, the expression level of FAP was found to be lower in tumor tissues of cervical squamous cell carcinoma and endocervical adenocarcinoma (CESC), kidney chromophobe (KICH), and uterine corpus endometrial carcinoma (UCEC) compared with non-tumor tissues, indicating that FAP may serve different functions in different types of cancers.