|Poll|October 13, 2014

27-Year-Old Man Presents With an Anterior Mediastinal Mass

A 27-year-old man is found to have an anterior mediastinal mass. A biopsy of the mass is performed. What is your diagnosis?

A 27-year-old man is found to have an anterior mediastinal mass. A biopsy of the mass is performed, and the histology image is shown below.

What is your diagnosis?

Stay up to date on recent advances in the multidisciplinary approach to cancer.

Latest CME

Video

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | Iowa Oncology Society

Aditya Bardia, MD, MPH, FASCO; Priya Kumar, MBBS, MS

Virtual Event

Arkansas Association of Cancer Professionals

1 Session is Available!

Video

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | Empire State Hematology & Oncology Society

Aditya Bardia, MD, MPH, FASCO; Mohammad F. Ali, MD

Video

𝘔𝘌𝘛 Alterations in NSCLC: Applying Diagnostic Advances and Targeted Therapies in a New Era of Treatment

Jonathan Goldman, MD; Sanja Dacic, MD, PhD; Deborah Doroshow, MD, PhD; Anne S. Tsao, MD, MBA

Video

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | South Carolina Oncology Society

Kamel Abou Hussein, MD; Kate Baxstrom, MD

Video

Community Oncology Connections™: How Can We Optimize the Use of Oral SERDs in the Community Oncology Setting? Best Practices for HR+/HER2– Breast Cancer | Texas Society of Clinical Oncology

Ajit K. Bisen, MD, MBA; Virginia Kaklamani, MD, DSc

Video

Community Oncology Connections™: Advancing Precision Testing and HER2-Targeted Care for Gastroesophageal Adenocarcinoma – Minnesota

Geoffrey Ku, MD; Jack W. Erter III, MD, MMHC

Video

Community Oncology Connections™: Advancing Precision Testing and HER2-Targeted Care for Gastroesophageal Adenocarcinoma – West Virginia

Sunnie S. Kim, MD; Kellie D. Spector, MD

Video

Community Oncology Connections™: Advancing Precision Testing and HER2-Targeted Care for Gastroesophageal Adenocarcinoma – North Carolina

Syma Iqbal, MD; Benjamin Scheier, MD

Video

Community Oncology Connections™: Bridging Academic and Community Connections to Advance Precision and Targeted Care in NF1 Plexiform Neurofibromas | Nevada Oncology Society

Amy E. Armstrong, MD; Phioanh “Leia” Nghiemphu, MD

Virtual Event

Kansas Society of Clinical Oncology

1 Session is Available!

Video

Community Oncology Connections™: Bridging Academic and Community Connections to Advance Precision and Targeted Care in NF1 Plexiform Neurofibromas | Rhode Island Oncology Society

Daniela A. Bota, MD, PhD; Kurt C. Demel, MD, MBA

In-Person + Virtual Event

Satellite Symposia at the Annual Radiation Oncology Meeting

September 26-28, 2026

Video

27th Annual International Lung Cancer Congress®

Roy S. Herbst, MD, PhD; Sandip Patel, MD, FASCO; Heather A. Wakelee, MD, FASCO

Video

Advances in Managing EGFR-Mutant NSCLC: Applying Evidence Across the Disease Continuum

Tina Cascone, MD, PhD; Christina Baik, MD, MPH; David Planchard, MD, PhD

Multimedia

Community Practice Connections™: Enhancing Melanoma Outcomes With Intratumoral Oncolytic Immunotherapy–Strategies for the Multidisciplinary Team

Yana G. Najjar, MD; Sapna Patel, MD

Video

A New Era of Targeted Therapy for Advanced NSCLC: Exploring Future Directions for Bispecific Antibodies and ADCs

Sandip Patel, MD, FASCO; Myung-Ju Ahn, MD; Giannis Mountzios, MD, MSc, PhD; Zofia Piotrowska, MD, MHS

Video

Community Oncology Connections™: How Can We Optimize the Use of Oral SERDs in the Community Oncology Setting? Best Practices for HR+/HER2– Breast Cancer | Tennessee Oncology Practice Society

Virginia Kaklamani, MD, DSc; Denise Yardley, MD, GCRA

Video

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | Washington State Medical Oncology Society

Kamel Abou Hussein, MD; Yan Ji, MD, PhD

Virtual Event

North Carolina Oncology Association

2 Sessions are Available!

Video

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | Colorado Oncology Society

Kamel Abou Hussein, MD; Kit Y Lu, MD

Video

Community Oncology Connections™: Bridging Academic and Community Connections to Advance Precision and Targeted Care in NF1 Plexiform Neurofibromas | Wisconsin Association of Hematology and Oncology

Daniela A. Bota, MD, PhD; Benjamin Scheier, MD

Community Oncology Connections™: Advancing Precision Testing and HER2-Targeted Care for Gastroesophageal Adenocarcinoma – Montana/Wyoming

Syma Iqbal, MD; Shiven B. Patel, MD, MBA, FACP

Video

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | Indiana Oncology Society

Kamel Abou Hussein, MD; Sushil Bhardwaj, MD, FACP

Virtual Event

Tennessee Oncology Practice Society

2 Sessions are Available!

Video

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | New Mexico Society of Clinical Oncology

Kamel Abou Hussein, MD; Kimberly Ku, MD

Video

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | The Arizona Clinical Oncology Society

Sara A. Hurvitz, MD, FACP; Milana Dolezal, MD, MSci

Video

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | Nevada Oncology Society

Sara A. Hurvitz, MD, FACP; Ajit K. Bisen, MD, MBA

Virtual Event

Washington State Medical Oncology Society

2 Sessions are Available!

Video

Enhancing Prostate Cancer Outcomes – The Role of PSMA and Targeted Treatment Strategies

Ana Kiess, MD, PhD; Erin Grady, MD, CCD, FACNM, FSNMMI; Himanshu Nagar, MD, MS; Scott T. Tagawa, MD, MS, FASCO, FACP

Virtual Event

Missouri Oncology Society

1 Session is Available!

Virtual Event

New Mexico Society of Clinical Oncology

3 Sessions are Available!

Virtual Event

Louisiana Oncology Society

2 Sessions are Available!

Virtual Event

Nevada Oncology Society

2 Sessions are Available!

In-Person + Virtual Event

Show Me the Data: Immunotherapy Across the Hepatobiliary Cancer Continuum—From Embolization-Eligible HCC to Advanced Biliary Tract Cancers

November 5, 2026

Virtual Event

Wyoming State Oncology Society

2 Sessions are Available!

Virtual Event

Montana State Oncology Society

2 Sessions are Available!

Virtual Event

Wisconsin Association of Hematology and Oncology

3 Sessions are Available!

Virtual Event

Kentucky Society of Clinical Oncology

2 Sessions are Available!

In-Person Event

44th Annual CFS®: Innovative Cancer Therapy for Tomorrow™

November 11-13, 2026

Virtual Event

Rhode Island Oncology Society

2 Sessions are Available!

Video

9th Annual School of Nursing Oncology™

Beth Faiman, PhD, MSN, APN-BC, BMTCN, AOCN, FAAN, FAPO; Beth Sandy, MSN, CRNP, FAPO; Lindsay Adkins, MSN, FNP-BC, BMTCN; Jeneth Aquino, DNP, FNP-BC; Casey Gormley, MSN, FNP-C, AOCNP; Heather J. Jackson, PhD, FNP-BC; Kelsey Martin, AG-ACNP-BC, AOCNP; Nerina T. McDonald, PA-C; Lauren Verity Moore, DNP, MSN, AGACNP-BC; Faith A. Mutale, DNP, CRNP; Tiffany Richards, PhD, ANP-BC, AOCNP; Emily Skotte, DNP, MSN, ACNP-BC; Leslie Smith, DNP, RN, APRN-CNS, AOCNS, BMTCN; Saneese Stephen, PA-C, MPAS; Sara M. Tinsley-Vance, PhD, APRN, AOCN

Multimedia

Community Practice Connections™: Optimizing SCLC Treatment Strategies and Managing Adverse Events Across Disease Stages

Erminia Massarelli, MD, PhD, MS; Misty D. Shields, MD, PhD

Multimedia

Personalized Approaches in NSCLC: Early Detection, Molecular Testing, and Targeted Therapies

Charu Aggarwal, MD, MPH, FASCO; Zofia Piotrowska, MD, MHS

Multimedia

Community Practice Connections™: DLL3-Targeting Bispecific Antibodies for Small Cell Lung Cancer—From Innovation to Practice

Jacob Sands, MD; Anne Chiang, MD, PhD

Video

Hot Seat: How Experts Are Integrating the Latest Practice-Changing Data Into Their Breast Cancer Clinics

Tiffany A. Traina, MD, FASCO; Nour Abuhadra, MD; Joshua Z. Drago, MD, MS; Ruth O’Regan, MD; Vered Stearns, MD, FASCO; Neil Vasan, MD, PhD; Anna Weiss, MD

Video

Biomarker Testing in HER2+ GEA: Diagnosis and Treatment Implications

Rahul Gosain, MD, MBA; Rohit Gosain, MD; Rutika Mehta, MD, MPH

Video

Navigating the Adverse Event Landscape in HER2+ GEA Therapy

Rahul Gosain, MD, MBA; Rohit Gosain, MD; Geoffery Ku, MD; Shruti Patel, MD

Video

Hot Seat: Converging Lines in the Management of RAS-Altered Cancers

Shubham Pant, MD, MBBS; Alison Schram, MD; Helena Yu, MD

Video

(CME Track) Tackling Oncologic Emergencies in Patients Treated With High-Dose Methotrexate

Shazia Nakhoda, MD; Shruti Gupta, MD, MPH; Anitha Varghese, MSN, APRN, AGPCNP-C

Video

Show Me the Data™: Personalizing First-Line and Maintenance Therapy in HER2+ Metastatic Breast Cancer to Extend Survival and Elevate Quality of Life

Sara A. Hurvitz, MD, FACP; Rena Callahan, MD; Michelle Melisko, MD; Paolo Tarantino, MD, PhD

Video

Optimizing Multidisciplinary Care in TGCT

Mark Agulnik, MD; Lee M. Zuckerman, MD

Video

Medical Crossfire®: The Who, When, and How of TROP2-Targeting ADCs, ICIs, and PARP inhibition in Triple-Negative Breast Cancer

Hope S. Rugo, MD; Alison K. Conlin, MD; Marleen Kok, MD, PhD; Heather McArthur, MD, MPH

Multimedia

Beyond Primary End Points: Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer

Seth A. Wander, MD, PhD; Marla D. Lipsyc-Sharf, MD

Video

The Rise of Novel HER2-Targeting Therapies in GEA: Mechanisms and Clinical Data

Rahul Gosain, MD, MBA; Rohit Gosain, MD

Video

Cases & Conversations™: Unmasking Epithelioid Sarcoma – Enhancing Early Diagnosis and Multidisciplinary Care

Mark Agulnik, MD; Mrinal M. Gounder, MD; Sandra D’Angelo, MD; Sujana Movva, MD

Video

Real-World Insights on Advances in the Management of Myeloproliferative Neoplasms: How the Experts Apply the Latest Developments to Clinical Practice

Naveen Pemmaraju, MD; Shannon Elf, PhD; Angela Fleischman, MD, PhD; Bethan Psaila, MD

Case-based Simulation

SimulatEd™: A Roadmap to Personalized Care Plans and Shared Decision-Making in Low-Grade Serous Ovarian Cancer

Rachel N. Grisham, MD

Video

Tumor Board™: Navigating a New Era of Innovation and Expanding Options in NMIBC

Archan Khandekar, MD; Wassim Kassouf, MD, CM, FRCSC; Jen-Jane Liu, MD

Video

“D” is for Diagnosis: Decoding a Difficult Thoracic Malignancy—Piecing Together a Rare Diagnosis, Preparing for Tomorrow’s Treatments

Aakash Desai, MD, MPH; Ibiayi Dagogo-Jack, MD, FASCO; Patrick Forde, MD, PhD

Video

First-Line ADC Monotherapy in mTNBC: Addressing Unmet Needs in Immunotherapy-Ineligible Populations

Rahul Gosain, MD, MBA; Rohit Gosain, MD; Adam Brufsky, MD, PhD

Video

Combination Approaches in PD-L1–Positive mTNBC: Practice-Changing Frontline Evidence

Rahul Gosain, MD, MBA; Rohit Gosain, MD; Sherene Loi, MMBS (Hons), FRACP, PhD, FAHMS

Video

(CPE Track) Antibody–Drug Conjugates in Oncology: The Essentials of AE Management for Better Patient Outcomes

Michelle L. Taylor, ANP-BC; Emely Alfaro, DNP, RN, CNS, OCN; Paige Griffith, CRNP; Beth Sandy, MSN, CRNP, FAPO

Video

27-Year-Old Man Presents With an Anterior Mediastinal Mass

Latest CME

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | Iowa Oncology Society

Arkansas Association of Cancer Professionals

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | Empire State Hematology & Oncology Society

𝘔𝘌𝘛 Alterations in NSCLC: Applying Diagnostic Advances and Targeted Therapies in a New Era of Treatment

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | South Carolina Oncology Society

Community Oncology Connections™: How Can We Optimize the Use of Oral SERDs in the Community Oncology Setting? Best Practices for HR+/HER2– Breast Cancer | Texas Society of Clinical Oncology

Community Oncology Connections™: Advancing Precision Testing and HER2-Targeted Care for Gastroesophageal Adenocarcinoma – Minnesota

Community Oncology Connections™: Advancing Precision Testing and HER2-Targeted Care for Gastroesophageal Adenocarcinoma – West Virginia

Community Oncology Connections™: Advancing Precision Testing and HER2-Targeted Care for Gastroesophageal Adenocarcinoma – North Carolina

Community Oncology Connections™: Bridging Academic and Community Connections to Advance Precision and Targeted Care in NF1 Plexiform Neurofibromas | Nevada Oncology Society

Kansas Society of Clinical Oncology

Community Oncology Connections™: Bridging Academic and Community Connections to Advance Precision and Targeted Care in NF1 Plexiform Neurofibromas | Rhode Island Oncology Society

Satellite Symposia at the Annual Radiation Oncology Meeting

27th Annual International Lung Cancer Congress®

Advances in Managing EGFR-Mutant NSCLC: Applying Evidence Across the Disease Continuum

Community Practice Connections™: Enhancing Melanoma Outcomes With Intratumoral Oncolytic Immunotherapy–Strategies for the Multidisciplinary Team

A New Era of Targeted Therapy for Advanced NSCLC: Exploring Future Directions for Bispecific Antibodies and ADCs

Community Oncology Connections™: How Can We Optimize the Use of Oral SERDs in the Community Oncology Setting? Best Practices for HR+/HER2– Breast Cancer | Tennessee Oncology Practice Society

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | Washington State Medical Oncology Society

North Carolina Oncology Association

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | Colorado Oncology Society

Community Oncology Connections™: Bridging Academic and Community Connections to Advance Precision and Targeted Care in NF1 Plexiform Neurofibromas | Wisconsin Association of Hematology and Oncology

Community Oncology Connections™: Advancing Precision Testing and HER2-Targeted Care for Gastroesophageal Adenocarcinoma – Montana/Wyoming

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | Indiana Oncology Society

Tennessee Oncology Practice Society

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | New Mexico Society of Clinical Oncology

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | The Arizona Clinical Oncology Society

Community Oncology Connections™: Monotherapies vs Combinations – Navigating Oral SERDs and Targeted Combination Strategies in HR+/HER2- Metastatic Breast Cancer | Nevada Oncology Society

Washington State Medical Oncology Society

Enhancing Prostate Cancer Outcomes – The Role of PSMA and Targeted Treatment Strategies

Missouri Oncology Society

New Mexico Society of Clinical Oncology

Louisiana Oncology Society

Nevada Oncology Society

Show Me the Data: Immunotherapy Across the Hepatobiliary Cancer Continuum—From Embolization-Eligible HCC to Advanced Biliary Tract Cancers

Wyoming State Oncology Society

Montana State Oncology Society

Wisconsin Association of Hematology and Oncology

Kentucky Society of Clinical Oncology

44th Annual CFS®: Innovative Cancer Therapy for Tomorrow™

Rhode Island Oncology Society

9th Annual School of Nursing Oncology™

Community Practice Connections™: Optimizing SCLC Treatment Strategies and Managing Adverse Events Across Disease Stages

Personalized Approaches in NSCLC: Early Detection, Molecular Testing, and Targeted Therapies

Community Practice Connections™: DLL3-Targeting Bispecific Antibodies for Small Cell Lung Cancer—From Innovation to Practice

Hot Seat: How Experts Are Integrating the Latest Practice-Changing Data Into Their Breast Cancer Clinics

Biomarker Testing in HER2+ GEA: Diagnosis and Treatment Implications

Navigating the Adverse Event Landscape in HER2+ GEA Therapy

Hot Seat: Converging Lines in the Management of RAS-Altered Cancers

(CME Track) Tackling Oncologic Emergencies in Patients Treated With High-Dose Methotrexate

Show Me the Data™: Personalizing First-Line and Maintenance Therapy in HER2+ Metastatic Breast Cancer to Extend Survival and Elevate Quality of Life

Optimizing Multidisciplinary Care in TGCT

Medical Crossfire®: The Who, When, and How of TROP2-Targeting ADCs, ICIs, and PARP inhibition in Triple-Negative Breast Cancer

Beyond Primary End Points: Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer

The Rise of Novel HER2-Targeting Therapies in GEA: Mechanisms and Clinical Data

Cases & Conversations™: Unmasking Epithelioid Sarcoma – Enhancing Early Diagnosis and Multidisciplinary Care

Real-World Insights on Advances in the Management of Myeloproliferative Neoplasms: How the Experts Apply the Latest Developments to Clinical Practice

SimulatEd™: A Roadmap to Personalized Care Plans and Shared Decision-Making in Low-Grade Serous Ovarian Cancer

Tumor Board™: Navigating a New Era of Innovation and Expanding Options in NMIBC

“D” is for Diagnosis: Decoding a Difficult Thoracic Malignancy—Piecing Together a Rare Diagnosis, Preparing for Tomorrow’s Treatments

First-Line ADC Monotherapy in mTNBC: Addressing Unmet Needs in Immunotherapy-Ineligible Populations

Combination Approaches in PD-L1–Positive mTNBC: Practice-Changing Frontline Evidence

(CPE Track) Antibody–Drug Conjugates in Oncology: The Essentials of AE Management for Better Patient Outcomes

Live Tumor Board: Precision Pathways Transforming Patient Care in Advanced NSCLC

Trending on CancerNetwork

FDA Approves Topical Gel for Superficial Basal Cell Carcinoma

FDA Approves TLX101-Px for PET Imaging in Patients With Glioma

FDA Approves Lutetium Lu 177 Dotatate Injection for GEP-NETs

FDA Extends Review of Zanzalintinib Combo in Pretreated Metastatic CRC

SOHO 2026 Sessions Reveal Key Updates Across Leukemia Populations