661 Five immunotypic signatures identified in human glioblastoma correlate with tumor contact with the lateral ventricle, immune suppression, and patient outcome by Akshitkumar Mistry, Todd Bartkowiak, Allison Greenplate, Sierra Barone, Madeline Hayes, Justine Sinnaeve, Nalin Leelatian, Caroline Roe, Bret Mobley, Lola Chambless, Reid Thompson, Kyle Weaver, Rebecca Ihrie, Jonathan Irish

38 Spatial immune profiling of human glioblastoma tissue reveals the presence of aggregated lymphoid niches in the tumor microenvironment by Akshitkumar Mistry, Todd Bartkowiak, Allison Greenplate, Sierra Barone, Madeline Hayes, Justine Sinnaeve, Nalin Leelatian, Caroline Roe, Bret Mobley, Lola Chambless, Reid Thompson, Kyle Weaver, Rebecca Ihrie, Jonathan Irish, Asa Brockman