This study aims to examine the predictive value of metastatic gastric mesenteries, which contains metastatic lymph node, in 6 gastric mesenteries; and importantly, to further evaluate the relationship between the number of metastatic gastric mesenteries and prognosis in the gastric cancer patients who received D2+complete mesogastric excision (CME).
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 gastrectomy with D2 lymphadenectomy plus complete mesogastric excision
Negative preoperative biopsy
Too late tumour stage or metastasis (cT4b/M1)
BMI>30 kg/m2
Total gastrectomy or proximal gastrectomy
Jichao Qin
Lead sponsor
First Affiliated Hospital of Zhejiang University
Sponsor institution
Zhejiang University
Collaborator