Media type: E-Article Title: P2.04-026 Expression Patterns of PD-L1 in Esophageal Adenocarcinomas: Comparison between Primary Tumors and Metastases Contributor: Dislich, Bastian; Stein, Alexandra; Galvan, Jose; Berezowska, Sabina; Seiler, Christian; Kroell, Dino; Langer, Rupert Published: Elsevier BV, 2017 Published in: Journal of Thoracic Oncology, 12 (2017) 1, Seite S1012 Language: English DOI: 10.1016/j.jtho.2016.11.1406 ISSN: 1556-0864 Origination: Footnote: Access State: Open Access