Laparoscopic pancreaticoduodenectomy via a reverse-''V'' approach with four ports: Initial experience and perioperative outcomes

Table 2 Final diagnosis and histologic findings

Diagnosis	n (%)
Pancreatic ductal adenocarcinoma	6
Intraductal papillary mucinous neoplasm	2
Ampullary adenocarcinoma	8
Cholangiocarcinoma	2
Cyst adenoma	2
Duodenal adenoma	1
Specimen characteristics
Tumor size, median (range) (cm)	3 (1.6-5.0)
Margin-negative, R0 resection	20 (95)
Regional lymph node metastases	5 (24)