940 High plasma cell presence in oral cancers with high frequencies of tumor-infiltrating B cells identified by transcriptional, flow cytometric and spatial profiling by Rieneke van de Ven, Tara Muijlwijk, Dennis NLM Nijenhuis, Sonja H Ganzevles, Stina Lie Hansson, Anabel van der Lee, Irene Nauta, C Rene Leemans, Ruud H Brakenhoff

1487 PD-1 expression on tumor-infiltrating T-lymphocytes as determinant of the head and neck cancer tumor immune microenvironment rather than anatomical site by Bernard A Fox, Yoshinobu Koguchi, Venkatesh Rajamanickam, Rieneke van de Ven, Tara Muijlwijk, Dennis NLM Nijenhuis, Sonja H Ganzevles, C Rene Leemans, Ruud H Brakenhoff, Arjen Brink, Changlin Ke, Joseph N Fass, Jos B Poell