RT Journal Article SR Electronic T1 Tumor microenvironment and immunology of ovarian cancer: 12th Biennial Rivkin Center Ovarian Cancer Research Symposium JF International Journal of Gynecologic Cancer JO Int J Gynecol Cancer FD BMJ Publishing Group Ltd SP s12 OP s15 DO 10.1136/ijgc-2019-000666 VO 29 IS Suppl 2 A1 Anirban K Mitra A1 Yang Yang-Hartwich YR 2019 UL http://ijgc.bmj.com/content/29/Suppl_2/s12.abstract AB The 12th Biennial Ovarian Cancer Research Symposium organized by the Rivkin Center for Ovarian Cancer and the American Association for Cancer Research held on September 13–15, 2018 covered cutting edge and relevant research topics in ovarian cancer biology and therapy. Sessions included detection and prevention, genomics and molecular mechanisms, tumor microenvironment and immunology, novel therapeutics, and an education session. In this article we provide an overview of the key findings presented in the tumor microenvironment and immunology session.