Laparoscopic vs Open Pancreatectomy for Body and Tail Pancreatic Cancer

Inclusion Criteria: 1. Age ≥ 19 years and ≤ 80 years, no gender limitation 2. Resectable body and tail pancreatic cancer (refer to NCCN 2018) 3. Eastern Cooperative Oncology Group (ECOG) performance status 0-1 4. Tumor locates at the body and tail of the pancreas without distant metastasis 5. No celiac trunk and superior mesenteric artery invasion 6. No operation contraindication, fit for laparoscopic surgery 7. The expected survival after surgery ≥ 3 months 8. Patients who are willing and able to comply with the study procedure 9. Signed informed content obtained prior to treatment Exclusion Criteria: 1. Locally advanced unresectable body and tail pancreatic cancer 2. Multi-organ and vascular resection needed 3. Patients undergoing total pancreatectomy 4. Benign tumor at the body and tail of the pancreas or pancreatic cancer at the head of the pancreas 5. Distant metastasis or ascites detected by imaging 6. Severe important organ function impairment (heart, liver, kidney) 7. Patients who are with other primary malignancy or haematological disorders 8. Pregnant or nursing women 9. Patients who have received chemotherapy, radiotherapy and interventional therapy before the pancreatectomy 10. Patients who have participated in other clinical trials for pancreatic cancer treatment within 3 months