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J Minim Access Surg. 2019 Feb 18. doi: 10.4103/jmas.JMAS_296_18. [Epub ahead of print]

Laparoscopic gastrectomy for early gastric cancer and the risk factors of lymph node metastasis.

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Department of Gastrointestinal Surgery, Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong, China.
Department of General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, China.



Lymph node metastasis (LNM) is one of the important prognostic factors of early gastric cancer (EGC). Moreover, LNM is also important when choosing therapeutic intervention for EGC patients. The purpose of this study is to explore the risk factors of LNM in EGC and to discuss the corresponding treatment.


We retrospectively reviewed the medical records of 253 patients with EGC who underwent surgical therapy in our department between 2012 and 2015. Univariate analysis and Multivariate Cox regression were used to evaluate the independent risk factors of LNM.


LNM was present in 38 cases among 253 patients (15%). Univariate analysis showed an obvious correlation between LNM and tumour location, tumour size, depth of invasion, morphological classification, gross type of the lesion and venous invasion. Multivariate analysis indicated that poorly differentiated carcinoma, submucosal cancer, tumour size ≥2 cm and venous invasion were the independent risk factors for LNM.


Tumour size, depth of invasion, morphological classification and blood vessel invasion were predictive risk factors for LNM in EGC. We propose that EGC patients with those risk factors should be accepted gastrectomy with LN dissection.


Early gastric cancer; laparoscopic surgery; lymph node metastasis


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