SITC 2017 Abstract Titles – Cellular Therapy Approaches

To search for abstract content based on keywords, select CTRL+F on your keyboard (or Command+F if you're using a Mac) and type a keyword to search for abstracts related to that keyword.

#

Title

Authors

Affiliations

Keywords

P160

Chimeric Antigen Receptors Interact With Multiple Endogenous T Cell Proteins And Induce Tonic Signaling Through Phosphorylation Of Endogenous CD3ζ

Maria C. Ramello1, Ismahène Benzaid1, Brent M. Kuenzi1, Maritza Lienlaf1, Wendy M. Kandell1, Daniel N. Santiago1, Mibel Pabón-Saldaña1, Lancia Darville1, Bin Fang1, Uwe Rix1, Sean Yoder1, Anders Berglund1, John Koomen1, Eric Haura1, Daniel Abate-Daga1

1H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA

Adoptive immunotherapy | Bioinformatics | Systems biology | CAR T cells | Gene expression | T cell | Solid tumors

P161

Engineering adoptive T cell therapy for efficacy in ovarian cancer

Kristin Anderson1, Breanna Bates1, Edison Chiu2, Nicolas Garcia1, Christopher Morse1, Philip Greenberg2

1Fred Hutchinson Cancer Research Center, Seattle, WA, USA 2University of Washington, Seattle, WA, USA

Adoptive immunotherapy | Tumor microenvironment | Solid tumors | T cell | Immune suppression | Tumor antigens

P162

Preclinical evaluation of BCMA-specific TAC receptor-engineered T cells for multiple myeloma

Ksenia Bezverbnaya1, Craig Aarts1, Christopher Helsen1, Galina Denisova1, Arya Afsahi1, Carole Evelegh1, Derek Cummings1, Jonathan Bramson1

1McMaster University, Hamilton, ON, Canada

Adoptive immunotherapy | Targeted therapy | T cell

P163

Enhanced functional profile of CAR-T cells generated in the presence of mTOR kinase inhibitor

Archana Brahmandam1, David Swart1, Alex Baturevych1, Ron Hause1, Ruth Salmon1, Jason D. Fontenot1, Lucas J. Thompson1

1Juno Therapeutics, Inc., Seattle, WA, USA

Adoptive immunotherapy | T cell | T cell lineages | Metabolism | Cytokine | CAR T cells | Targeted therapy

P164

A Temporal and Spatial analytical system to measure CAR-T cell function

Ana Castano1, Angela Boroughs1,2, Marcela Maus1,2

1Massachusetts General Hospital, Charlestown, MA, USA 2Harvard Medical School, Charlestown, MA, USA

Costimulation | Tumor microenvironment | Regulatory T cell (Treg) | Solid tumors | CAR T cells

P165

High throughput label-free impedance-based technology for kinetic in vitro functional potency assessment of immune cell-mediated cytolysis and immune checkpoint modulation

Fabio Cerignoli1, Biao Xi1, Garret Guenther1, Lincoln Muir1, Brandon Lamarche1, Nikhil Mittal1, David Untiet1, Yama Abassi1

1ACEA Biosciences, San Diego, CA, USA

Antibody | CAR T cells | Checkpoint blockade | B cell | Immune adjuvant | Immune suppression | NK/NK T cell | Solid tumors | Leukemia/Lymphoma | Immune monitoring

P166

H3.3K27M mutation-derived novel neoantigen – characterization of the HLA-A2-binding epitope and a specific T cell receptor for development of T cell-based immunotherapy

Zinal Chheda1, Gary Kohanbash1, Kaori Okada1, Naznin Jahan1, John Sidney2, Matteo Pecoraro3, Diego Carrera1, Shruti Shrivastav1, Shuming Liu1, Sabine Mueller1, Ian Pollack5, Raja Rajalingam1, Angel Carcaboso6, Matthias Mann4, Alessandro Sette7, Yafei Hou1, Hideho Okada1

1University of California, San Francisco, San Francisco, CA, USA 2La Jolla Institute, La Jolla, CA, USA 3Max Planck Institute of Biochemistry, Martinsried, Germany 4Max-Planck-Institut für Biochemie, Martinsried, Germany 5University of Pittsburgh School of Medicine, Pittsburgh, PA, USA 6Institut de Recerca Sant Joan de Deu, Barcelona, Spain 7La Jolla Institute For Allergy and Immunology, La Jolla, CA, USA

Tumor antigens | Adoptive immunotherapy | Pediatric tumors | T cell | Neoantigens | Solid tumors

P167

Translation of highly functional CMV-induced “adaptive” NK cells to treat cancer.Translation of highly functional CMV-induced “adaptive” NK cells to treat cancer

Sarah Cooley1, Frank Cichocki1, Bob Valemehr2, David McKenna1, Jeffrey Miller1

1University of Minnesota, Minneapolis, MN, USA 2FATE Therapeutics, San Diego, CA, USA

Adoptive immunotherapy | NK/NK T cell | Clinical trial | Cytokine | Leukemia/Lymphoma | Clinical study

P168

CBLB gene editing potentiates the effector function of tumor-targeted engineered-TCR human T cells

Andreia S. Da Costa1, Alexandra Croft1, Vidya Dhanapal2, Michael Dinsmore2, Georgia Giannoukos2, Kiran Gogi2, Gregory Gotta2, Fred Harbinski2, Christopher J. Wilson2, G. Grant Welstead2, Jason D. Fontenot1

1Juno Therapeutics, Inc, Seattle, WA, USA 2Editas Medicine, Cambridge, MA, USA

Adoptive immunotherapy | Costimulation | T cell | Solid tumors | Targeted therapy

P169

Mass-Spectrometry-Guided Target Selection and TCR Profiling: Towards the Development of Safer TCR-Engineered T Cell Therapies

Thorsten Demberg1, Mamta Kalra1, Leonie Alten2, Amir Alpert1, Sebastian Bunk2, Jens Fritsche2, Oliver Schoor2, Dominik Maurer2, Ali Mohammed1, Yannick Bulliard1, Harpreet Singh1, Carsten Reinhardt3, Toni Weinschenk2, Steffen Walter1

1Immatics US Inc., Houston, TX, USA 2Immatics Biotechnologies GmbH, Tuebingen, Germany 3Immatics Biotechnologies GmbH, Martinsried, Germany

Adoptive immunotherapy | T cell | Tumor antigens | Targeted therapy

P170

Exploiting CD4 T cells for adoptive cell therapy in cancer

Pierre Dillard1, Marit Myrhe1, Nadia Mensali1, Sylvie Pollmann1, Gunnar Kvalheim1, Gustav Gaudernack1, Sebastien Wälchli1, Else Marit Inderberg1

1OUS-Radiumhospital Oslo Cancer Cluster incubator (OCCi), Oslo, Norway

Adoptive immunotherapy | T cell lineages | Targeted therapy | T cell | Solid tumors

P171

Preclinical Evaluation of Mesothelin-specific T Cell Receptor (TCR) Fusion Constructs (TRuC™s) Utilizing the Signaling Power of the Complete TCR Complex: A New Opportunity for Solid Tumor Therapy

Jian Ding1, Ekta Patel1, Patrick Tavares1, Justin Quinn1, Rashmi Choudhary1, Bonnie Le1, Olga Kiner1, Qi Wei1, Solly Weiler1, Patrick Baeuerle1, Robert Hofmeister1

1TCR2 Therapeutics, Cambridge, MA, USA

Adoptive immunotherapy | T cell | Solid tumors | CAR T cells

P172

iRGD enhances T cells infiltration and augments response to PD-1 gene knockout immunotherapy in gastric cancer

baorui liu1, naiqing ding1

1The Comprehensive Cancer Centre of Drum Tower Hospital, Medical School of Nanjing University & Clinical Cancer Institute of Nanjing University, Nanjing, China

Adoptive immunotherapy | Targeted therapy | Checkpoint blockade | Solid tumors | T cell

P173

Mass cytometry based immunophenotyping of tumor-reactive T cells in human cancer reveals subpopulations with coordinate inhibitory molecule expression

Monika Aleksandra Eiva1, Jessica Ann Chacon1, Tori Yamamoto1, Thomas Garrabrant1, Gabor Kari1, Andrew Best1, Qunrui Ye1, Daniel J Powell1

1University of Pennsylvania, Philadelphia, PA, USA

Biomarkers | Checkpoint blockade | Immune suppression | Cytokine | T cell | Tumor infiltrating lymphocytes (TILs) | Solid tumors | Antibody

P174

Removal of double stranded RNA using a novel method with RNaseIII produces robust mRNA chimeric antigen receptor T cell therapy

Jessica Foster1, Namrata Choudhari1, Jessica Perazzelli1, Angela Waanders1, Julie Storm1, Ted Hofmann1, Payal Jain1, Phillip Storm1, Stephan Grupp1, Katalin Kariko2, Adam Resnick1, David Barrett1

1The Children's Hospital of Philadelphia, Philadelphia, PA, USA 2BioNTech RNA Pharmaceuticals, Mainz, Germany

CAR T cells | Leukemia/Lymphoma | Pediatric tumors

P175

A rapid and streamlined method for the culture of Tumor Infiltrating Lymphocytes (TIL) from melanoma tumor fragments

Nermin Gerges1, Shari Pilon-Thomas1, Amod Sarnaik1, John Mullinax1, Cheryl Cox1, Sandra Gonzalez-Rivera1, Ludivina Lay1, Linda Kelley1

1Moffitt Cancer Center, Tampa, FL, USA

Adoptive immunotherapy | Tumor infiltrating lymphocytes (TILs)

P176

AdoptCell®-NK: Ex vivogeneration of highly purified and activated natural killer cells from human peripheral blood in accordance with GMP/GCTP for clinical studies

Yui Harada1, Yoshikazu Yonemitsu1

1Kyushu University, Fukuoka, Japan

NK/NK T cell | Adoptive immunotherapy

P177

Engineering Artificial Lymph Nodes for Immunotherapy

John Hickey1, Hai-Quan Mao2, Jonathan Schneck1

1Johns Hopkins School of Medicine, Baltimore, MD, USA 2Johns Hopkins University, Baltimore, MD, USA

Adoptive immunotherapy | Antigen presenting cells | T cell | Immune suppression | Costimulation | Dendritic cell | Tumor microenvironment | Tumor antigens | Targeted therapy | Tumor infiltrating lymphocytes (TILs)

P178

Combined killing of cancer cells and cross presentation of tumor antigen by Vγ9Vδ2 T cells

Gitte Holmen Olofsson1, Manja Idorn1, Elfriede Nössner2, Ramona Schenker2, Reno Debets3, Özcan Met1, Per thor Straten1

1Center for Cancer immunotherapy (CCIT), Herlev, Denmark 2Institute for Molecular Immunology, München, Germany 3Erasmus MC Cancer Institute, Rotterham, Netherlands

Antigen presenting cells | Adoptive immunotherapy | T cell

P179

NKG2D ligand–inducing immune therapy plus NKG2D+CD8+ T cell therapy overcomes chemoresistance in tumors

Jiemiao Hu1, Izhar Batth1, Chantale Bernatchez1, Xueqing Xia1, Patrick Hwu1, Richard Gorlick1, Shulin Li1

1The University of Texas MD Anderson Cancer Center, Houston, TX, USA

Adoptive immunotherapy | Tumor microenvironment | Chemokine | Cytokine | T cell | Solid tumors | Tumor infiltrating lymphocytes (TILs)

P180

Chemokine receptor engineering of T cells with CXCR2 improves homing towards subcutaneous human melanomas in xenograft mouse model.

Manja Idorn1, Signe Koggersbøl Skadborg1, Lauge Kellerman2, Hólmfrídur Rósa Halldórsdóttir1, Gitte Holmen Olofsson1, Özcan Met1, Per thor Straten1

1Center for Cancer Immune Therapy, Herlev Gentofte Hospital, Herlev, Denmark 2Herlev Hospital, Herlev, Denmark

Adoptive immunotherapy | Chemokine | T cell | Tumor infiltrating lymphocytes (TILs) | Solid tumors

P181

Production of site-specific Allogeneic CD19 CAR-T Cells by CRISPR-Cas9 for B-Cell Malignancies.

Zinkal Padalia1, Ashley Porras1, Dakai Mu1, Min Jin Lee1, Ying Zhang1, Elaine Huang1, Ashley Maillet1, Jeffrey Li1, Matthias John1, Lawrence Klein1, Sven Ante Lundberg1, Seshi Police1, Jonathan Terrett1, Demetrios Kalaitzidis1

1CRISPR Therapeutics, Cambridge, MA, USA

Leukemia/Lymphoma | Targeted therapy | Tumor antigens | B cell | CAR T cells | T cell | Adoptive immunotherapy

P182

Development of chemically defined medium for ex vivoexpansion of Natural Killer cells

Jessie Kinjo1, Vanda S. Lopes1, Jessie H.-T. Ni1

1Irvine Scientific, Santa Ana, CA, USA

NK/NK T cell | Clinical study | Adoptive immunotherapy | Targeted therapy

P183

Stem cell differentiation towards tumor-recognizing CD4 T cells provides robust anti-tumor effects in combination with CD8-TCR-T cell therapy

Richard Koya1, Junko Matsuzaki1, Takemasa Tsuji1, Satoko Matsueda1, Thinle Chodon1, Kunle Odunsi1

1Roswell Park Cancer Institute, Buffalo, NY, USA

Adoptive immunotherapy | Stem cell/cancer-initiating cell | T cell | Solid tumors | Tumor infiltrating lymphocytes (TILs) | T cell lineages | Tumor antigens | CAR T cells

P184

Genetic engineering of human NK cells to express CXCR2 improves migration to renal cell carcinoma

Veronika Kremer1, Maarten Ligtenberg2, Rosa Zendehdel1, Christina Seitz1, Annet Duivenvoorden1, Erik Wennerberg3, Eugenia Colón4, Ann-Helén Scherman Plogell4, Andreas Lundqvist1

1Karolinska Institutet, Stockholm, Sweden 2The Netherlands Cancer Institute, Amsterdam, Netherlands 3Weill Cornell Medicine, New York, NY, USA 4Stockholm South General Hospital, Stockholm, Sweden

Adoptive immunotherapy | Chemokine | NK/NK T cell | Solid tumors

P185

A novel chimeric T cell receptor that operates through the endogenous TCR diverges in biology from conventional CAR T cells

Vivian Lau1, Ksenia Bezverbnaya1, Alina Lelic1, Anna Dvorkin-Gheva1, Joanne Hammill1, Arya Afsahi1, Galina Denisova1, Christopher Helsen1, Jonathan Bramson1

1McMaster University, Hamilton, ON, Canada

Adoptive immunotherapy | CAR T cells | T cell

P186

Molecular nanomachines for in situ reprogramming of innate immunity

Sandro Matosevic1

1Purdue University, West Lafayette, IN, USA

Adoptive immunotherapy | Tumor microenvironment | NK/NK T cell | Targeted therapy

P187

Efficient Non-Small Lung Cancer targeted therapy with TCR-T cell transfer engineered for TGFβ blockade

Satoko Matsueda1, Adekunle Odunsi1, Richard Koya1

1Roswell Park Cancer Institute, Buffalo, NY, USA

Adoptive immunotherapy | Tumor infiltrating lymphocytes (TILs) | Tumor microenvironment | Tumor antigens | T cell | Solid tumors

P188

A Universal Killer T-Cell for Adoptive Cell Therapy of Cancer

Nadia Mensali1, Pierre Dillard1, June H Myklebust1, Michael Hebeisen3, Gjertrud Skorstad1, Marit Renee Myhre1, Anne Fane1, Gustav Gaudernack2, Gunnar Kvalheim1, Else Marit Inderberg1, Sebastien Walchli1

1Oslo University Hospital OUS-Radiumhospital, Oslo, Norway 2Oslo University Hospital, Oslo, Norway 3Lausanne University Hospital, Lausanne, Switzerland

Adoptive immunotherapy | Targeted therapy | Tumor antigens | T cell | NK/NK T cell | Solid tumors

P189

Cytotoxic dendritic cells have efficient anti-tumor capacity of in a murine T cell lymphoma model

Jürgen Müller1, Thomas Waldmann1, Sigrid Dubois1

1NIH, Bethesda, MD, USA

Dendritic cell | Immune toxicity | Leukemia/Lymphoma

P190

Patient Specific Automated Dendritic Cell Generation in a Closed System

Andrew Kozbial1, Lekhana Bhandary1, Christopher Eickhoff2, Bradley Collier1, Daniel Hoft2, Shashi Murthy1

1Northeastern University, Boston, MA, USA 2Saint Louis University, St Louis, MO, USA

Antigen presenting cells | Adoptive immunotherapy | Dendritic cell | Neoantigens | Vaccine | Monocyte/Macrophage

P191

Limiting antigen escape in multiple myeloma by dual antigen-targeting of BCMA and TACI using the natural ligand APRIL

Maria Ormhoj1, Felipe Bedoya2, Irene Scarfò2, Benjamin Kleinstiver2, J. Keith Joung2, Torben Barington3, Marcela Maus2

1University of Southern Denmark and Massachusetts General Hospital Cancer Center, Harvard Medical School, Brookline, MA, USA 2Massachusetts General Hospital Cancer Center, Harvard Medical School, Boston, MA, USA 3Odense University Hospital, University of Southern Denmark, Odense, Denmark

Adoptive immunotherapy | Targeted therapy | T cell | CAR T cells

P192

Oncolytic Viruses Effectively Deliver Chimeric Antigen Receptor Targets to Triple Negative Breast Cancers

Anthony Park1, Saul Priceman1, Stephen Forman1, Yuman Fong2, Nanhai Chen2, Dileshni Tilakawardane1, Brook Jeang1, John Murad1, Michael O'Leary2

1City Of Hope Beckman Research Institute, Duarte, CA, USA 2City Of Hope, Duarte, CA, USA

Adoptive immunotherapy | Tumor antigens | Targeted therapy | T cell | CAR T cells | Solid tumors

P193

TRuC™-T Cells: A novel Class of Engineered T cells that Power T Cells through the Entire T Cell Receptor Complex without MHC Restriction

Ekta Patel1, Jian Ding1, Nicolaus Thorausch2, Bonnie Lee1, Rashmi Choudhary1, Olga Kiner1, Janani Krishnamurthy1, Justin Quinn1, Patrick Tavares1, Qi Wei1, Solly Weiler1, Wolfgang Schamel2, Patrick Baeuerle1, Robert Hofmeister1

1TCR2 Therapeutics, Cambridge, MA, USA 2University of Freiburg, Freiburg, Germany

Adoptive immunotherapy | T cell | Solid tumors | CAR T cells | Leukemia/Lymphoma

P194

Studies of Key Quality Attributes for TIL Product, LN-144

Krit Ritthipichai1, Ian Frank1, Marcus Machin1, Michelle Simpson-Abelson1, Michelle Blaskovich1, Amanda Stramer1, Michael Lotze1

1Iovance Biotherapeutics, Inc., Tampa, FL, USA

Adoptive immunotherapy | Tumor infiltrating lymphocytes (TILs)

P195

Anti-CD37 chimeric antigen receptor T cells: a new potential therapeutic option for B-cell malignancies

Irene Scarfo1, Maria Ormhøj2, Matthew Frigault2, Marcela Maus2

1Massachusetts General Hospital, Charlestown, MA, USA 2MGH, Charlestown, MA, USA

CAR T cells | Adoptive immunotherapy | Leukemia/Lymphoma | Tumor antigens

P196

FGFR4 specific Chimeric Antigen Receptor (CAR) T cell therapy against Rhabdomyosarcoma

Nityashree Shivaprasad1, Marielle Yohe1, Ying Xiong2, Darong Wu2, Peter Azorsa1, Adam Cheuck1, Joon-Yong Chung1, Zhongyu Zhu3, Dimiter Dimitrov3, Stephen Hewitt1, Boro Dropulic2, Dina Schneider2, Rimas Orentas2, Javed Khan1

1National Institute of Health, Bethesda, MD, USA 2Lentigen Technology Inc., a Miltenyi Biotech company, Gaithersburg, MD, USA 3National Institute of Health, Frederick, MD, USA

Adoptive immunotherapy | Targeted therapy | Tumor antigens | Antibody | CAR T cells | Gene expression | Solid tumors | T cell

P197

Withdrawn

P198

Bispecific Antibody Armed Activated T cells can Target Drug Resistant Pancreatic Cancer Cells and Cancer Stem Like Cells Effectively.

Archana Thakur1, Elyse N Tomaszewski2, Lawrence G Lum1

1University of Virginia, Charlottesville, VA, USA 2Karmanos Cancer Institute, Detroit, MI, USA

Chemotherapy | T cell | Adoptive immunotherapy

P199

IDO1-mediated tryptophan depletion potently inhibits CAR-T functionality as part of a CAR-T driven adaptive immune resistance response in the tumor microenvironment

Evan P. Thomas1, Heidi K. Jessup1, Jim Qin1, Alex Baturevych1, Christina Swanson1, Sarah Swenson1, Ken Prentice1, Hyam Levitsky1, Michael Ports1

1Juno Therapeutics, Seattle, WA, USA

CAR T cells | Tumor microenvironment | Immune suppression

P200

The use of ex-vivo stimulation to generate a neoantigen specific T-cell product for adoptive T-cell therapy

Marit M. van Buuren1, Joost H. van den Berg2, Divya Lenkala1, Jessica Kohler1, Renate de Boer2, Ton N.M. Schumacher2, Edward F. Fritsch1, John B.A.G. Haanen2, Richard B. Gaynor1, Matthew J. Goldstein1

1Neon Therapeutics, Cambridge, MA, USA 2Netherlands Cancer Institute, Amsterdam, Netherlands

Adoptive immunotherapy | Dendritic cell | Neoantigens | T cell

P201

Targeting Heterogeneous Glioblastoma Using Chlorotoxin-redirected CAR-T Cells

Dongrui Wang1, Sarah Wright1, Wen-Chung Chang1, Renate Starr1, Xin Yang1, Brenda Aguilar1, Alfonso Brito1, Aniee Sarkissian1, Behnam Badie1, Stephen J Forman1, Michael E Barish1, Christine E Brown1

1City of Hope, Duarte, CA, USA

Adoptive immunotherapy | Tumor antigens | CAR T cells | T cell

P202

New Therapeutic Approach for Central Nervous System Lymphoma by CD19CAR T Cells

Xiuli Wang1, Ryan Urak1, Christian Huynh1, Miriam Walter1, Laura Lim1, Brenda Aguilar1, Alfonso Brito1, Aniee Sarkissian1, Christine Brown1, Lihua Budde1, Leslie Popplewell1, Stephen Forman1

1City of Hope National Medical Center, Duarte, CA, USA

Adoptive immunotherapy | CAR T cells

P203

A Cryopreserved TIL Product, LN-144, Generated with an Abbreviated Method Suitable for High Throughput Commercial Manufacturing Exhibits Favorable Quality Attributes For Adoptive Cell Transfer

Seth Wardell1, Maria Fardis2, Michael T. Lotze1, Ian Frank1, Amanda Stramer1, Jyothi Sethuraman1, James Bender2, Michelle Abelson1, Lavakumar Karyumpudi1

1IOVANCE Biotherapeutics Inc., Tampa, FL, USA 2IOVANCE Biotherapeutics Inc., San Carlos, CA, USA

Adoptive immunotherapy | T cell lineages | Neoantigens | Clinical study | T cell | Tumor infiltrating lymphocytes (TILs)

P204

Reenergizing the Tumor Infiltrating T cells by Intratumoral Delivery of BCG to Treat Bladder Cancer and Prevent Recurrence

Gang Xin1, Gopit Shah2, William See2, Weiguo Cui1

1Blood Research Institute, Blood Center of Wisconsin, Milwaukee, WI, USA 2Medical College of Wisconsin, Milwaukee, WI, USA

Vaccine | Tumor infiltrating lymphocytes (TILs) | Solid tumors | Adoptive immunotherapy

P205

Chimeric antigen receptor (CAR) T cells incorporating linker and/or transmembrane domains derived from TNFRSF19 demonstrate superior anti-tumor activity

Ying Xiong1, Darong Wu1, Boro Dropulic1, Rimas Orentas1, Dina Schneider1

1Lentigen Technology Inc., Gaithersburg, MD, USA

Adoptive immunotherapy | CAR T cells | Leukemia/Lymphoma

P206

Tumor-penetrating recombinant protein anti-EGFR-iRGD enhance the extravasation and tumor penetration of lymphocytes in gastric cancer

Anqing Zhu1, Huizi Sha2, Baorui Liu2

1Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China 2The Comprehensive Cancer Centre of Drum Tower Hospital, Nanjing, China

Adoptive immunotherapy | Tumor microenvironment | Tumor infiltrating lymphocytes (TILs) | Solid tumors