National Cancer Center Launches Biennial Stomach Cancer Screening

Revising Gastric Cancer Screening Guidelines in South Korea
South Korea's approach to gastric cancer screening is undergoing a significant transformation. The interval for gastroscopy screenings, which have traditionally been conducted annually, is expected to shift to once every two years. This change comes as part of an updated set of national guidelines aimed at improving the efficiency and effectiveness of early detection programs.
The National Cancer Center recently held a public hearing to review and update the 'National Gastric Cancer Screening Recommendations.' These updates follow international standard methodologies, ensuring that the recommendations align with global best practices in medical research and guideline development. The process involved extensive analysis of existing literature, meta-analyses, simulation modeling, and data specific to the Korean population.
Since the initial establishment of these guidelines in 2001, they have undergone only one revision in 2015. This new update marks the first major revision in over a decade, reflecting the evolving landscape of medical science and the need for more evidence-based approaches.
Key Updates in the Revised Guidelines
The revised recommendations incorporate the GRADE (Grading of Recommendations Assessment, Development, and Evaluation) methodology, which is widely recognized by international health organizations such as the World Health Organization (WHO) and Cochrane. This systematic approach ensures that recommendations are based on high-quality evidence, considering both the benefits and potential harms of various interventions.
Some of the key changes include:
- Screening Age Range: Gastroscopy screenings are now recommended for individuals aged 40 to 74 years.
- Screening Interval: The frequency of screenings has been extended from annual to every two years.
- Alternative Imaging Methods: Upper gastrointestinal series imaging is now restricted to situations where gastroscopy is not feasible. Previously, this method was considered a conditional recommendation following physician consultation.
These updates aim to optimize resource allocation while maintaining the effectiveness of early detection efforts. The focus remains on gastroscopy as the primary screening tool due to its proven efficacy in identifying gastric cancer at an early stage.
Public Hearing and Expert Input
The public hearing brought together a diverse group of experts to discuss critical issues related to the implementation of the revised guidelines. Topics included quality management of gastroscopy screenings, strategies for elderly populations, and tailored approaches for high-risk groups.
Participants included notable figures such as Yoon Jung-won, General Affairs Director of the Korean Society of Medical Check-up; Lee Dong-ho, Director of Clinical Guidelines at the Korean Society of Abdominal Radiology; and Ryu Geun-won, Chairman of the Korean Gastric Cancer Association. Their insights helped shape the final recommendations, ensuring they reflect a broad range of perspectives and expertise.
Chairman Choi Il-joo of the revision committee emphasized that the updated guidelines were developed through rigorous analysis of existing medical literature, including comprehensive reviews and simulations tailored to the Korean context.
Director Yang Han-gwang of the National Cancer Center praised the revision as a testament to the advancement of South Korea’s healthcare system. He highlighted the importance of gastroscopy screenings, which have played a crucial role in improving the country’s gastric cancer survival rates to the highest globally.
Broader Implications for Cancer Screening
This revision is part of a broader effort to enhance cancer prevention and early detection across multiple types of cancers. In addition to gastric cancer, the National Cancer Center has also updated its colorectal cancer screening recommendations. These updates now include colonoscopy as a primary screening method alongside the fecal occult blood test. The recommended age for screening has been set at 45–74 years, with a 10-year interval for colonoscopies.
By aligning with international standards and incorporating the latest scientific evidence, South Korea continues to strengthen its position as a leader in cancer care and prevention. These revisions not only improve the accuracy of early detection but also ensure that healthcare resources are used efficiently and effectively.
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