A previous study showed a trend of longer operation time and more blood loss in extended lymphadenectomy, especially for beginners who performed the surgery in <20–25 cases [ 17 18 ].
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A Nomogram for Predicting Extraperigastric Lymph Node Metastasis in Patients With Early Gastric Cancer.
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Tumor location in the greater curvature showed a negative effect (OR, 0.540, P=0.536) with marginal significance.