Pancreaticoduodenectomy for advanced gastric cancer with pancreaticoduodenal region involvement

Table 1 Characteristics and their prognostic significance for PD group

Factors	Number of patients	P
Age (yr)		0.1405
< 56	7
≥ 56	10
Gender		0.4412
Male	11
Female	6
Metastases		0.2010
Synchronous	14
Metachronous	3
Tumor size		0.9837
< 4 cm	8
≥ 4 cm	9
Histologic differentiation		0.0011
Well	4
Moderate or poor	13
Gastric carcinoma depth of invasion		0.0610
Borrmann III	6
Borrmann IV	11	0.0516
Lymph node metastasis
Positive	10
Negative	7	0.7948
Gastrectomy pattern
Total gastrectomy	11
Subtotal gastrectomy	6	0.0174
Resection margins
Positive	5
Negative	12	0.1486
Combined other organs
No	14
Yes	3