University College London - Stromal Immunology Group, University College London - Stromal Immunology Group, Institute of Cancer Research (ICR) - Division of Molecular Pathology, University College London - Bioinformatics Image Core, University College London - Electron Microscopy Facility, University College London - Stromal Immunology Group, University College London - UCL Institute of Immunity and Transplantation, University College London - Stromal Immunology Group, University College London - Bioinformatics Image Core, University College London - Electron Microscopy Facility, Institute of Cancer Research (ICR) - Division of Molecular Pathology, University College London - Cell Communication Lab and University College London - Stromal Immunology Group