Radiation Therapy for Gastric Cancer: An ASTRO Clinical Practice Guideline

This guideline provides evidence-based recommendations addressing the indications for radiation therapy (RT) for gastric cancer in a variety of clinical settings ranging from patients with resectable locoregional disease to metastatic and symptomatic disease.

This activity is available from March 13, 2026, through 11:59 p.m. Eastern time on March 12, 2028.

This article is from the 2026 March/April issue of the Practical Radiation Oncology journal.

Target Audience

This course is designed to meet the interest of radiation oncologists, physicists and radiation oncology residents.

Learning Objectives

Upon completion of this activity, participants should be able to:

  • List indications for RT for gastric cancer.
  • Identify acceptable RT dose program for gastric cancer.

 

 

Course summary
Available credit: 
  • 1.00 AMA PRA Category 1 Credit™

    The American Society for Radiation Oncology (ASTRO) is accredited by the Accreditation Council for Continuing Medical Education for physicians. ASTRO designates this Enduring material for a maximum of 1.00 AMA PRA Category 1 Credit™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

  • 1.00 Certificate of Attendance
    This activity was designated for 1.00 AMA PRA Category 1 Credit™.
Course opens: 
03/13/2026
Course expires: 
03/12/2028
Cost:
$49.00
Rating: 
0

Robert Amdur, MD is employed by the University of Florida and has no financial relationships with a commercial interest.

The person(s) above served as the developer(s) of this activity. 

All relevant relationships have been mitigated.

The American Society for Radiation Oncology (ASTRO) is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians.

Available Credit

  • 1.00 AMA PRA Category 1 Credit™

    The American Society for Radiation Oncology (ASTRO) is accredited by the Accreditation Council for Continuing Medical Education for physicians. ASTRO designates this Enduring material for a maximum of 1.00 AMA PRA Category 1 Credit™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

  • 1.00 Certificate of Attendance
    This activity was designated for 1.00 AMA PRA Category 1 Credit™.

Price

Cost:
$49.00
Please login or register to take this course.

Course Fees:
ASTRO members must log in to the ASTRO website to view and receive the discounted member rate.

  • Nonmember: $49
  • Member: $0


Policies:
No refunds, extensions, or substitutions will be made for those participants who, for any reason, have not completed the course by the end of the qualification date. The qualification date for each course is listed in the course catalog on the ASTRO website under availability.

Participants using ASTRO's online courses to satisfy the requirement of a Maintenance of Certification (MOC) program should verify the number, type and availability dates of any course before making a purchase. No refunds, extensions, or substitutions will be made for participants who have purchased courses that do not align with their MOC requirement.

The activity and its materials will only be available on the ASTRO website until March 12, 2028, regardless of purchase date. At the expiration of the activity, participants will no longer have access to the activity or its materials. ASTRO reserves the right to remove an activity before its expiration date.

 

Required Hardware/software

One of the two latest versions of Google Chrome, Mozilla Firefox, Internet Explorer or Safari.