News
Media
Conferences
Publications
Events
CME/CE
Resources
Career Center
Subscribe

Your AI-Trained Oncology Knowledge Connection!

Opinion|Videos|March 7, 2025

Reflex Testing in Upper GI Cancer: Optimizing Molecular Insights for Timely Treatment

Author(s)David Zhen, MD, Nataliya V. Uboha, MD, PhD, Samuel Cytryn, MD

Experts discuss the role of reflex testing in ensuring accurate and timely treatment selection, the challenges it may present, and how it can be integrated with next-generation sequencing (NGS) to provide a comprehensive molecular profile while minimizing delays.

Episodes in this series

EP. 1 HER2- Upper GI Cancer

EP. 1 HER2- Upper GI Cancer

EP. 2 Frontline Treatment and Molecular Testing in Upper GI Cancer: Precision-Guided Therapy

EP. 2 Frontline Treatment and Molecular Testing in Upper GI Cancer: Precision-Guided Therapy

EP. 3 Reflex Testing in Upper GI Cancer: Optimizing Molecular Insights for Timely Treatment

EP. 3 Reflex Testing in Upper GI Cancer: Optimizing Molecular Insights for Timely Treatment

EP. 4 The Role of Biomarkers for Immunotherapy Selection in Upper GI Cancer

EP. 4 The Role of Biomarkers for Immunotherapy Selection in Upper GI Cancer

EP. 5 Reassessing Biomarkers: Guiding Second-Line Therapy in Upper GI Cancer

EP. 5 Reassessing Biomarkers: Guiding Second-Line Therapy in Upper GI Cancer

EP. 6 Navigating Prognosis and Treatment Goals in Upper GI Cancer: A Patient- and Family-Centered Approach

EP. 6 Navigating Prognosis and Treatment Goals in Upper GI Cancer: A Patient- and Family-Centered Approach

EP. 7 Megan’s Journey With HER2+ Upper GI Cancer

EP. 7 Megan’s Journey With HER2+ Upper GI Cancer

EP. 8 Understanding PD-L1 CPS: Impact on Treatment Decisions in HER2+ Gastric Cancer

EP. 8 Understanding PD-L1 CPS: Impact on Treatment Decisions in HER2+ Gastric Cancer

EP. 9 ADCs in HER2+ Gastric Cancer

EP. 9 ADCs in HER2+ Gastric Cancer

EP. 10 Biomarkers and Clinical Features Guiding HER2-Directed Therapy in Upper GI Cancer

EP. 10 Biomarkers and Clinical Features Guiding HER2-Directed Therapy in Upper GI Cancer

EP. 11 Considerations for Combinations Beyond Progression in Upper GI Cancer

EP. 11 Considerations for Combinations Beyond Progression in Upper GI Cancer

EP. 12 Exploring Next-Line Options in HER2- MSS Gastric Cancer

EP. 12 Exploring Next-Line Options in HER2- MSS Gastric Cancer

Video content above is prompted by the following:

• What is the role of reflex testing, and how does it ensure accurate and timely treatment selection?
• What challenges might arise from the use of reflex testing?
• How can reflex testing be integrated with NGS to provide a comprehensive molecular profile while minimizing delays?

Newsletter

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

Related Content

Experts featured in this series.

Time-Limited Zanubrutinib Plus Venetoclax: MRD-Guided Outcomes from SEQUOIA Arm D

ByIan Flinn, MD, PhD,Danielle Brander, MD

February 6th 2026

3 experts are featured in this series

Barriers to CAR T-Cell Referral and Center Access in Multiple Myeloma

ByKrina Patel, MD, MSc ,Noopur Raje, MD,Gurbakhash Kaur, MD

February 6th 2026

Experts featured in this series.

Long-Term Reassurance and Practical Management of Continuous BTK Inhibition in CLL

ByIan Flinn, MD, PhD,Danielle Brander, MD

February 6th 2026

3 experts are featured in this series

Real World Outcomes of CAR T-Cell Therapy in Multiple Myeloma Including Older and Comorbid Patients

ByKrina Patel, MD, MSc ,Noopur Raje, MD,Gurbakhash Kaur, MD

February 6th 2026

Germline Testing, Surgical Planning, and Multidisciplinary Follow up in Younger Patients With Gastric Cancer

ByRutika Mehta, MD, MPH,Sharon Shiraga, MD, FACS,Sreenivasa R. Chandana, MD, PhD,Jacques-Pierre Fontaine, MD

February 2nd 2026

Latest CME

Community Oncology Connections™: Beyond Primary End Points—Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | Washington State Medical Oncology Society

Community Oncology Connections™: Beyond Primary End Points—Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | Washington State Medical Oncology Society

Marla D. Lipsyc-Sharf, MD; Ashley Frith, MD

A Breath of Strength: Managing Cancer Associated LEMS and Lung Cancer as One

A Breath of Strength: Managing Cancer Associated LEMS and Lung Cancer as One

Estelamari Rodriguez, MD, MPH; Millie Das, MD; Ruham Nasany, MD

Striking the Right Nerve: Managing Cancer Associated LEMS in Lung Cancer Patients

Striking the Right Nerve: Managing Cancer Associated LEMS in Lung Cancer Patients

Anne Chiang, MD, PhD; J. Douglas Miles, MD, PhD, FAAN; Suma Satti, MD

Show Me the Data™: Bridging Clinical Gaps Along the Continuum From Resectable, Early Stage to Advanced Gastric/Gastroesophageal Junction Cancers

Show Me the Data™: Bridging Clinical Gaps Along the Continuum From Resectable, Early Stage to Advanced Gastric/Gastroesophageal Junction Cancers

Zev A. Wainberg, MD; Manish A. Shah, MD, FASCO; Syma Iqbal, MD

Community Oncology Connections™: Beyond Primary End Points—Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | Kentucky Society of Clinical Oncology

Community Oncology Connections™: Beyond Primary End Points—Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | Kentucky Society of Clinical Oncology

Marla D. Lipsyc-Sharf, MD; Munaf Alkadimi, MD

Community Oncology Connections™: Beyond Primary End Points—Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | Indiana Oncology Society

Community Oncology Connections™: Beyond Primary End Points—Digging Into Randomized and Real-World Data to Guide Challenging Treatment Decisions in HR+/HER2− Metastatic Breast Cancer | Indiana Oncology Society

Shaina Rozell, MD, MPH; Seth A. Wander, MD, PhD

19th Annual New York GU Cancers Congress™

In-Person Event

19th Annual New York GU Cancers Congress™

March 13-14, 2026

Medical Crossfire®: Expert Interpretations of the Latest Data in CLL Management – Understanding the Impact of Optimal Treatment Selection on Patient Outcomes

Medical Crossfire®: Expert Interpretations of the Latest Data in CLL Management – Understanding the Impact of Optimal Treatment Selection on Patient Outcomes

Jennifer R. Brown, MD, PhD; Alexey V. Danilov, MD, PhD; Matthew S. Davids, MD, MMSc

Virtual Testing Board: Digging Deeper on Your Testing Reports to Elevate Patient Outcomes in Advanced Non–Small Cell Lung Cancer

Virtual Testing Board: Digging Deeper on Your Testing Reports to Elevate Patient Outcomes in Advanced Non–Small Cell Lung Cancer

Stephen V. Liu, MD; Michelle Afkhami, MD; Ignacio I. Wistuba, MD; Helena Yu, MD

Medical Crossfire® – From Diagnostic Dilemmas to Potential Treatment Breakthroughs: Exploring Novel Targets for Extrapulmonary Neuroendocrine Carcinomas

In-Person + Virtual Event

Medical Crossfire® – From Diagnostic Dilemmas to Potential Treatment Breakthroughs: Exploring Novel Targets for Extrapulmonary Neuroendocrine Carcinomas

March 24, 2026

Addressing Unmet Needs in HER2+ Metastatic BTC

Addressing Unmet Needs in HER2+ Metastatic BTC

Rahul Gosain, MD, MBA; Rohit Gosain, MD; Ghassan Abou-Alfa, MD, MBA

Community Practice Connections™: Tailored Treatment Approaches for Older Patients With Advanced HR+/HER2– Breast Cancer

Community Practice Connections™: Tailored Treatment Approaches for Older Patients With Advanced HR+/HER2– Breast Cancer

Hope S. Rugo, MD, FASCO; Neil M. Iyengar, MD; Komal Jhaveri, MD, FACP

Community Practice Connections™: Empowering Interventional Radiologists in the Emerging Era of Oncolytic Immunotherapies for Melanoma

Community Practice Connections™: Empowering Interventional Radiologists in the Emerging Era of Oncolytic Immunotherapies for Melanoma

Yana G. Najjar, MD; Douglas B. Johnson, MD, MSCI; Rahul A. Sheth, MD, FSIR

GI Tumor Board—Applying Recent Advances in Biomarker Testing and Treatment in Metastatic Colorectal Cancer

GI Tumor Board—Applying Recent Advances in Biomarker Testing and Treatment in Metastatic Colorectal Cancer

John H. Strickler, MD; Stacey A. Cohen, MD; Aparna Parikh, MD; Kanwal P.S. Raghav, MBBS, MD

Medical Crossfire®: Harnessing the Power of Modern Therapies in Newly Diagnosed Multiple Myeloma

Medical Crossfire®: Harnessing the Power of Modern Therapies in Newly Diagnosed Multiple Myeloma

C. Ola Landgren, MD, PhD; Mohamad Mohty, MD, PhD; Surbhi Sidana, MD

Medical Crossfire®: Expert Perspectives on Targeting c-Met Overexpression and 𝘔𝘌𝘛 Genomic Alterations in NSCLC – Unveiling the Complexities of 𝘔𝘌𝘛 Dysregulation

Medical Crossfire®: Expert Perspectives on Targeting c-Met Overexpression and 𝘔𝘌𝘛 Genomic Alterations in NSCLC – Unveiling the Complexities of 𝘔𝘌𝘛 Dysregulation

Rebecca Heist, MD, MPH; Alex A. Adjei, MD, PhD, FACP; Sandip Patel, MD, FASCO; Jeremy Segal, MD, PhD

PER Tumor Board®: Applying Recent Advances to Transform the Treatment Paradigm in SCLC—Expert Perspectives on New Approvals and Emerging Strategies

PER Tumor Board®: Applying Recent Advances to Transform the Treatment Paradigm in SCLC—Expert Perspectives on New Approvals and Emerging Strategies

Jonathan W. Goldman, MD; Percy Lee, MD, FASTRO; Erminia Massarelli, MD, PhD, MS; Misty D. Shields, MD, PhD

Cases & Conversations™: Transforming AML Care—Precision Strategies, Evolving Therapies, and Clinical Insights

Cases & Conversations™: Transforming AML Care—Precision Strategies, Evolving Therapies, and Clinical Insights

Gail J. Roboz, MD; Hagop Kantarjian, MD; Catherine Lai, MD, MPH; Amer Zeidan, MBBS, MHS

Medical Crossfire®: Precision Medicine in Glioma Treatment — Integration of Molecular Profiling to Inform Targeted Therapies

Medical Crossfire®: Precision Medicine in Glioma Treatment — Integration of Molecular Profiling to Inform Targeted Therapies

Vinay K. Puduvalli, MD; Manmeet Ahluwalia, MD, MBA; Stephen J. Bagley, MD, MSCE; Angela Waanders, MD, MPH, MS

Medical Crossfire®: Integrating Next-Generation Endocrine Targeting Therapies to Improve Outcomes for Patients With HR+/HER2- Breast Cancer

Medical Crossfire®: Integrating Next-Generation Endocrine Targeting Therapies to Improve Outcomes for Patients With HR+/HER2- Breast Cancer

William J. Gradishar, MD, FASCO, FACP; Laura Huppert, MD; Yuan Yuan, MD, PhD

$Cases and Conversations™: Sorting Through the Expanding Treatment Options for Patients with Relapsed/Refractory Multiple Myeloma$

Cases and Conversations™: Sorting Through the Expanding Treatment Options for Patients with Relapsed/Refractory Multiple Myeloma

C. Ola Landgren, MD, PhD; Mohamad Mohty, MD, PhD; Surbhi Sidana, MD

Medical Crossfire®: Improving Patient Outcomes in Myeloproliferative Neoplasms With Novel Therapeutic Approaches

Medical Crossfire®: Improving Patient Outcomes in Myeloproliferative Neoplasms With Novel Therapeutic Approaches

Rami Komrokji, MD; Gabriela Hobbs, MD; John Mascarenhas, MD; Naveen Pemmaraju, MD

Community Oncology Connections™: Optimizing SCLC Treatment Strategies and Managing Adverse Events Across Disease Stages | South Carolina

Community Oncology Connections™: Optimizing SCLC Treatment Strategies and Managing Adverse Events Across Disease Stages | South Carolina

Misty D. Shields, MD, PhD; Rujul Parikh, MD

Personalized Management in NSCLC: Strategies for Early Detection, Molecular Testing, and Targeted Therapies | Kansas

Personalized Management in NSCLC: Strategies for Early Detection, Molecular Testing, and Targeted Therapies | Kansas

Charu Aggarwal, MD, MPH, FASCO; Yifan Tu, MD, PhD

Personalized Management in NSCLC: Strategies for Early Detection, Molecular Testing, and Targeted Therapies | Wyoming and Montana

Personalized Management in NSCLC: Strategies for Early Detection, Molecular Testing, and Targeted Therapies | Wyoming and Montana

Charu Aggarwal, MD, MPH, FASCO; Mo Ziari, MD

Personalized Management in NSCLC: Strategies for Early Detection, Molecular Testing, and Targeted Therapies | New Mexico

Personalized Management in NSCLC: Strategies for Early Detection, Molecular Testing, and Targeted Therapies | New Mexico

Zofia Piotrowska, MD, MHS; Shan Guo, MD

Community Oncology Connections™: Optimizing SCLC Treatment Strategies and Managing Adverse Events Across Disease Stages | North Carolina

Community Oncology Connections™: Optimizing SCLC Treatment Strategies and Managing Adverse Events Across Disease Stages | North Carolina

Misty D. Shields, MD, PhD; Michelle Ojemuyiwa, MD

Live Tumor Board: Squamous Cell Carcinoma of the Head & Neck – Post-CRT Decisions in the Locally Advanced Setting

In-Person + Virtual Event

Live Tumor Board: Squamous Cell Carcinoma of the Head & Neck – Post-CRT Decisions in the Locally Advanced Setting

February 19, 2026

Community Practice Connections™: Optimizing Treatment Outcomes and Preserving Fertility in Premenopausal HR+ Breast Cancer

Community Practice Connections™: Optimizing Treatment Outcomes and Preserving Fertility in Premenopausal HR+ Breast Cancer

Rebecca Shatsky, MD; Kelly McCann, MD, PhD; Michelle L. Taylor, ANP-BC

From Bench to Bedside: Paradigm Shifts in HER2+ Metastatic BTC Treatment

From Bench to Bedside: Paradigm Shifts in HER2+ Metastatic BTC Treatment

Rahul Gosain, MD, MBA; Rohit Gosain, MD; Shubham Pant, MD, MBBS

Proactive Adverse Event Management for HER2+ BTC Treatments

Proactive Adverse Event Management for HER2+ BTC Treatments

Rahul Gosain, MD, MBA; Rohit Gosain, MD; Rachna T. Shroff, MD, MS, FASCO

A Case-Guided Discussion on Managing Immune Thrombocytopenic Purpura (ITP)

A Case-Guided Discussion on Managing Immune Thrombocytopenic Purpura (ITP)

Cindy Neunert, MD, MSCS; Hanny Al-Samkari, MD; Joseph Shatzel, MD, MCR

Tumor Board: Expert Insights on Managing Classical 𝘌𝘎𝘍𝘙 Mutations, 𝘌𝘎𝘍𝘙 Exon 20 Insertions, and Atypical 𝘌𝘎𝘍𝘙 Mutations in Metastatic NSCLC

Tumor Board: Expert Insights on Managing Classical 𝘌𝘎𝘍𝘙 Mutations, 𝘌𝘎𝘍𝘙 Exon 20 Insertions, and Atypical 𝘌𝘎𝘍𝘙 Mutations in Metastatic NSCLC

Balazs Halmos, MD, MS; Enriqueta Felip, MD, PhD; Julia Rotow, MD

Evolving Treatment Strategies in Pancreatic Cancer: Current Standards, Emerging Targets, and the Role of Molecular Testing

Evolving Treatment Strategies in Pancreatic Cancer: Current Standards, Emerging Targets, and the Role of Molecular Testing

Eileen M. O’Reilly, MD; E. Gabriela Chiorean, MD, FASCO; Michael J. Pishvaian, MD, PhD; Brian Wolpin, MD, MPH

Breast Cancer Tumor Board: Targeting TROP2 – Innovations in Triple-Negative Breast Cancer Treatment

Breast Cancer Tumor Board: Targeting TROP2 – Innovations in Triple-Negative Breast Cancer Treatment

Joyce O’Shaughnessy, MD; Matthew P. Goetz, MD; Hope S. Rugo, MD, FASCO

Trending on CancerNetwork

Modifiable Risk Factors Suggest Potential for Improving Cancer Prevention

Barriers to CAR T-Cell Referral and Center Access in Multiple Myeloma

2026 Tandem Meetings: What’s the Latest Research in Multiple Myeloma?

Exploring The Impact of ADTs on Cardiac Risk in Prostate Cancer Treatment

Real World Outcomes of CAR T-Cell Therapy in Multiple Myeloma Including Older and Comorbid Patients