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[116 multiple primary cancers in the digestive system].

Yuan Pan1, Jiacang Wang, Han Liang

  • 1Cancer Hospital, Tianjin Medical University, Tianjin 300060, China.

Zhonghua Zhong Liu Za Zhi [Chinese Journal of Oncology]
|May 17, 2002
PubMed
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Multiple primary digestive cancers, particularly in the colon, were studied. Metachronous cancers generally have a better prognosis than synchronous ones, emphasizing early detection and combined treatment strategies.

Area of Science:

  • Gastroenterology
  • Surgical Oncology
  • Clinical Epidemiology

Context:

  • Multiple primary cancers in the digestive system represent a significant clinical challenge.
  • Understanding their characteristics is crucial for effective management and improved patient outcomes.

Purpose:

  • To investigate the clinical features, diagnostic approaches, treatment strategies, and prognostic factors of multiple primary cancers within the digestive system.
  • To analyze the incidence, demographics, and survival rates associated with synchronous and metachronous digestive cancers.

Summary:

  • A 10-year analysis identified 116 cases of multiple digestive cancers (1.74% incidence), with a male predominance (2.7:1).
  • Colon cancer was most frequent, followed by stomach, rectum, and liver cancers.

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  • Metachronous cancers (54 cases) demonstrated significantly better survival rates (5-year: 76.2%) compared to synchronous cancers (62 cases, 5-year: 11.5%).

    • Impact:

    • The study highlights the higher frequency of multiple primary cancers in the colon, particularly the right side.
    • Metachronous cancers generally offer a better prognosis, with longer intervals correlating with improved outcomes.
    • Early detection and a combined approach of radical treatment with immuno-supportive therapy are recommended to enhance patient survival for multiple digestive cancers.