Comparison of clinicopathological characteristics between resected ampullary carcinoma and carcinoma of the second portion of the duodenum

Table 2 Comparison of the sites and the frequency of lymph node metastasis between the patients with cancer of the second portion of the duodenum and ampullary carcinoma

Variable	Comparison	DC-II (n = 27), %	AC (n = 80), %	P value
N-Pya	present	3(11.1)	0 (0)	0.0186
	absent	23 (85.2)	73 (100)
N-He	present	5 (18.5)	4 (5)	0.0432
	absent	22 (81.5)	76 (95)
N-SP	present	7 (25.9)	14 (17.5)	0.40
	absent	20 (74.1)	66 (82.5)
N-IP	present	3 (11.1)	10(12.5)	1.00
	absent	24 (88.9)	70 (87.5)
N-SM	present	2 (7.4)	5 (6.2)	1.00
	absent	25 (92.6)	75 (93.8)

^aPylorus-preserving pancreaticoduodenectomy excluded.

AC: Ampullary carcinoma; DC-II: Carcinoma of the second portion of the duodenum; N-He: Hepatic lymph nodes; N-IP: Inferior pancreaticoduodenal lymph nodes; N-Py: Pyloric lymph nodes; N-SM: Superior mesenteric lymph nodes; N-SP: Superior pancreaticoduodenal lymph nodes.