Table 4 Postoperative pathology of the modified invaginated anastomosis and mucosa-to-mucosa anastomosis groups

Duodenal tumor [number (%)]

71 (35.7%)

38 (26.4%)

0.002

Duodenal papillary adenocarcinoma (number)

38

21

Duodenal ampullary adenocarcinoma (number)

15

9

Duodenal adenoma (number)

14

6

Duodenal neuroendocrine tumor (number)

4

2

Pancreatic tumor [number (%)]

56 (28.1%)

47 (32.6%)

0.007

Pancreatic ductal adenocarcinoma (number)

32

26

Pancreatic serous cystadenoma (number)

9

7

Intraductal papillary mucinous neoplasm (number)

5

6

Solid pseudopapillary tumor (number)

5

4

Pancreatic neuroendocrine tumor (number)

4

4

Pancreatic intraepithelial neoplasia (number)

1

0

Lower bile duct tumor, [number (%)]

66 (33.2%)

49 (34.0%)

0.113

Bile duct adenocarcinoma (number)

62

44

Bile duct adenoma (number)

4

5

Inflammatory lesion (number)

6 (3.0%)

10 (7.0%)

0.317

Chronic pancreatitis (number)

5

8

Bile duct inflammation (number)

1

2