PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27050369-1 2016 To examine the relationship between cytotoxic T lymphocyte antigen-4 (CTLA-4) expression and esophageal carcinoma prognosis, CTLA-4 expression was immunohistochemically detected in paraffin-embedded primary tumor specimens from 158 patients with esophageal cancer. Paraffin 181-189 cytotoxic T-lymphocyte associated protein 4 Homo sapiens 125-131