laparoscopic pancreaticoduodenectomy(LPD) and Robot Pancreaticoduodenectomy (RPD), as two minimally invasive methods of pancreaticoduodenectomy(PD), have obvious advantages over traditional open pancreaticoduodenectomy(OPD) in terms of reducing surgical trauma and hospitalization time, but there are few studies on their perioperative safety and prognostic effects.However, there are few studies on the perioperative safety and prognostic effects of both procedures. In this trial, the perioperative data and prognosis of both procedures were collected and analyzed through a prospective, multicenter approach to investigate the advantages and disadvantages of both procedures.

In this trial, subjects proposed for PD were randomly divided into two groups, LPD and RPD, according to inclusion and exclusion criteria. Patients in both groups were operated and received perioperative management under the same surgical team and were operated according to the standard PD surgical approach. Subsequently, perioperative clinical data and long-term prognostic data of subjects in both groups will be collected and statistically analyzed to explore a better surgical approach.

Inclusion Criteria:

• Over 18 years old
• Preoperative imaging suggested the presence of space occupying in the head of the pancreas, ampullary abdomen, and distal common bile duct tumor lesions to be treated with Pancreaticoduodenectomy
• No distant transfer
• No significant vascular invasion was received

Exclusion Criteria:

• With tumors of other organs
• Patients unable to tolerate anesthesia and operation due to serious abnormalities in functions of heart, lung and other important organs
• Patients found intraoperative peripheral organ metastasis combined with excision of other organs or found intraoperative radical excision could not be performed and underwent palliative drainage surgery or end the surgery
• Preoperative adjuvant therapy was given

The way of surgery.