The pathological studies showed amplification of the CSE1L gene or high expression of CSE1L protein in various cancer types including hepatocellular carcinomas, endometrial carcinomas, cutaneous melanomas, lymphomas, ovarian carcinomas, breast carcinomas, prostate cancers, nasopharyngeal carcinomas, medulloblastomas, glioblastomas, and colorectal carcinomas. The gene discussed is CSE1L; the disease is prostate cancer.