Long-term Oncologic Outcomes of Robotic Versus Laparoscopic Total Gastrectomy for Advanced Gastric Cancer

This study is a retrospective, single-center, controlled and observation trial comparing robotic total gastrectomy with D2 lymph nodal dissection for locally advanced gastric cancer patients with laparoscopic procedure.

Sex

All

Minimum age

18 Years

Maximum age

80 Years

Inclusion Criteria:

* 1.Pathologically proven gastric adenocarcinoma; 2.Age: older than 18 years old, younger than 80 years old; 3.Tumor located in the upper third of the stomach or esophagogastric junction or other location, and is possible to be curatively resected by total gastrectomy; 4.Preoperative stage of cT2-4aN0-3M0 according to American Joint Committee on Cancer/Union for International Cancer Control 8th edition; 5.American Society of Anesthesiology (ASA) score of class I to III; 6.Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1; 7.Patients who freely give informed consent to participate in the clinical study;

Exclusion Criteria:

* 1.Early gastric cancer; 2.Age: younger than 18 years old, older than 80 years old; 3.Total gastrectomy with D2 lymphadenectomy was not required; 4.Enlarged or bulky regional lymph node diameter larger than 3 cm based on preoperative imaging; 5.Emergency surgery for gastric cancer-related complications (bleeding or complete obstruction or perforation); 6.Previous upper abdominal surgery (except laparoscopic cholecystectomy); 7.Previous neoadjuvant chemotherapy or radiotherapy for gastric cancer; 8.Unstable angina or myocardial infarction within the past 6 months; 9.Cerebrovascular accident within the past 6 months; 10.American Society of Anesthesiology (ASA) score of class more than III; 11.Severe respiratory disease (FEV1\< 50%); 12.Continuous systemic steroid therapy within 1 month before the study; 13.Pregnant or breast-feeding women;

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