RAMPS VS SRPS for Pancreatic Body and Tail Adenocarcinoma

Exclusion Criteria

• •The patients with distant metastasis according to preoperative tumor staging;
• •Patients with recurrent pancreatic ductal adenocarcinoma;
• •The artery or vein is involved and could not be resected or reconstructed(according to preoperative evaluation or intraoperative evaluation after exploration);
• •Patients with cardiopulmonary disfunction and cannot tolerate operation;
• •The patients accepted neoadjuvant chemotherapy and radiotherapy before operation;
• •Patients with other malignancies or hematopathy
• •Before the operation, the total bilirubin was more than 250 μmol/L without preoperative biliary drainage or after biliary drainage, the total bilirubin was still more than 250 μmol/L;
• •Pregnancy diagnosed, planned pregnancy and lactating female patients
• •Refusal to sign consent.
• •Intraoperative exclusion include:Tumor metastasis; not pancreatic primary disease; unresectable pancreatic body/tail adenocarcinoma
• •Postoperative exclusion include: not pancreatic ductal adenocarcinoma according to pathological examination.
• •Withdrawal of informed consent;
• •Willingness to withdraw from the study.