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Chinese Journal of Colorectal Diseases(Electronic Edition) ›› 2025, Vol. 14 ›› Issue (03): 193-201. doi: 10.3877/cma.j.issn.2095-3224.2025.03.001

• Guideline and Consensus •     Next Articles

Expert consensus on the diagnosis and treatment of colorectal cancer peritoneal metastasis (2025 edition)

Cancer Professional Committee of the Chinese Medical Doctor Association Colorectal   

  • Received:2025-05-27 Online:2025-06-25 Published:2025-06-26

Abstract:

Colorectal cancer is one of the most common malignant tumors in China, ranking second in morbidity and fourth in mortality. Metastasis and recurrence are the leading causes of patient death, and the peritoneum is a frequent site of metastasis in colorectal cancer, second only to liver and lung metastases. However, the prognosis of peritoneal metastasis is much worse than hepatic and pulmonary metastasis. Colorectal cancer peritoneal metastasis is characterized by difficult early diagnosis, severe symptoms and poor prognosis. Its standardized diagnosis and treatment are crucial for improving the prognosis of patients and enhancing their quality of life. The Colorectal Cancer Professional Committee of the Chinese Medical Doctor Association organized authoritative experts in the field of colorectal cancer in China to compile the “Chinese Expert Consensus on the Diagnosis and Treatment of Colorectal Cancer Peritoneal Metastasis (2017 Edition)” as early as 2017, and revised it in 2022. In view of the research progress of colorectal cancer peritoneal metastasis, the Colorectal Cancer Professional Committee of the Chinese Medical Doctor Association organized domestic multidisciplinary experts to revise and update the “Chinese Expert Consensus on the Diagnosis and Treatment of Colorectal Cancer Peritoneal Metastasis (2017 Edition)” and the 2022 revision based on the latest research results and evidence-based medical evidence after repeated discussions. The “Expert Consensus on the Diagnosis and Treatment of Peritoneal Metastasis of Colorectal Cancer (2025 Edition)” was compiled, reaching a preliminary consensus on the definition, diagnosis,treatment and prevention of colorectal cancer peritoneal metastasis, with the aim of guiding and standardizing the diagnosis and treatment of colorectal cancer peritoneal metastasis, developing reasonable and effective comprehensive treatment plans, prolonging survival time and improving quality of life for colorectal cancer peritoneal metastasis patients, thereby raising the overall level of diagnosis and treatment for colorectal cancer in China.

Key words: Colorectal neoplasms, Peritoneal metastasis, Diagnosis and treatment, Consensus

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