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Lymph node metastasis in early gastric cancer
Rong Chen1, Qingsheng He1, Jianxin Cui2
1Department of General Surgery, Chinese People's Liberation Army General Hospital, Beijing 100853, China; School of Medicine, Nankai University, Tianjin 300071, China.
Lymph node metastasis (LNM) in early gastric cancer (EGC) is influenced by factors like tumor size and invasion depth. Identifying these risks helps determine appropriate treatment, potentially avoiding aggressive surgery for low-risk patients.
Area of Science:
- Gastroenterology
- Oncology
- Pathology
Background:
- Early gastric cancer (EGC) has a favorable prognosis (>90% 5-year survival) compared to advanced stages.
- Lymph node metastasis (LNM) significantly impacts EGC prognosis and treatment decisions.
Purpose of the Study:
- To review clinicopathological factors associated with LNM in EGC.
- To discuss the regulatory mechanisms of LNM in EGC.
Main Methods:
- Systematic review of PubMed articles.
- Search terms: "early gastric cancer" and "lymph node metastasis".
Main Results:
- Key risk factors for LNM in EGC include tumor size, macroscopic type, depth of invasion, histological type, ulceration, and lymphatic invasion.
- Clinicopathological factors such as age, gender, location, and macroscopic type were also considered.
Conclusions:
- LNM in EGC is crucial for prognostic assessment and therapeutic strategy.
- Minimally invasive treatments like endoscopic submucosal dissection are suitable for EGC patients with a low risk of LNM.
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