NewslettersCancer Stem Cell News Cells Promote Metastatic and Cancer Stem Cell Niches that Lead to Poor Outcome in ER- Breast Cancer By lbeveridge - October 16, 2024 0 48 Elevated tumor NOS2/COX2 limited CD8+ T cell infiltration at five-year survival. Distinct CD8+/-NOS2+/-COX2+/- phenotypes defining metastatic and cancer stem cell niches, and immune desert regions were identified. [Cancer Research Communications] Abstract