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[Mass screening for colorectal cancer--issues and future prospects]
Summary
Colorectal cancer is increasing in Japan, with low early detection rates. Combining fecal occult blood testing with existing gastric screening offers a cost-effective, acceptable method for early gastrointestinal cancer detection.
Area of Science:
- Gastroenterology
- Oncology
- Public Health
Context:
- Rising incidence of colorectal cancer in Japan over the past decade.
- Low ratio (10%) of early-stage colorectal cancer diagnoses.
- Need for urgent mass screening in asymptomatic populations.
Purpose:
- To evaluate the effectiveness and acceptability of mass screening for colorectal cancer.
- To establish a valuable and acceptable mass screening program.
- To assess the combination of fecal occult blood testing with gastric mass screening.
Summary:
- Fecal occult blood testing is identified as a highly acceptable screening method due to its cost-effectiveness and ease of implementation.
- Since 1979, a combined approach using fecal occult blood testing and established gastric mass screening has been evaluated.
- This combined gastrointestinal mass screening method is deemed useful for early detection and cost-benefit.
Impact:
- The combined gastrointestinal mass screening strategy is expected to be widely adopted across Japan.
- Improved early detection rates for colorectal and potentially other gastrointestinal cancers.
- Potential to reduce the burden of advanced gastrointestinal cancers through widespread screening.