This study aims to explore lymph node metastasis in the short gastric mesentery following total gastrectomy with D2 lymphadenectomy plus complete mesogastric excision, providing evidence-based medicine for standardizing lymph node dissection in gastric cancer.
Aged older than 18 years and younger than 85 years
Primary gastric adenocarcinoma confirmed by preoperative pathology result
cT2-4aN0-3M0 at preoperative evaluation according to the American Joint 8 Committee on Cancer (AJCC) Cancer Staging Manual 8th Edition
Patients who received total gastrectomy with D2 lymphadenectomy plus complete mesogastric excision
Negative preoperative biopsy
Too late tumour stage or metastasis (cT4b/M1)
BMI>30 kg/m2
previous neoadjuvant chemotherapy or radiotherapy
Jichao Qin
Lead sponsor
First Affiliated Hospital of Zhejiang University
Sponsor institution