Standardizing the classification of gastric cancer patients with limited and adequate number of retrieved lymph nodes: an externally validated approach using real-world data
1Department of Gastric Surgery, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
2State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
3Department of Gastric Cancer Surgery, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300000, China
4Department of Surgical Oncology, the First Hospital of China Medical University, Shenyang 110000, China
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