Macroscopic appearance of Type IV and giant Type III is a high risk for a poor prognosis in pathological stage II/III advanced gastric cancer with postoperative adjuvant chemotherapy

Table 3 Relations of high risk macroscopic features to prognsotic factors in pathological stage II/III advanced gastric cancer

Clinicopaghological factors	Classification	Number	High risk gastric cancer n = 18	Average risk gastric cancer n = 154	P value
Age	Young	74	8	66	0.26
	Elderly	98	10	88
Sex	Male	120	13	107	0.81
	Female	52	5	47
Lymphadenectomy	D1	26	4	22	0.37
	D2	146	14	132
Tumor location	Upper	54	3	51	0.32
	Middle	74	9	65
	Lower	44	6	38
13th JGCA pT	T2	65	1	64	0.0025
	T3	105	17	88
	T4	2	0	2
13th JGCA pN	N0	24	2	22	0.11
	N1	82	5	77
	N2	66	11	55
13th JGCA pStage	II	57	3	54	0.0004
	IIIA	79	4	76
	IIIB	36	11	25
7th UICC pT	T2	29	0	29	0.02
	T3	36	1	35
	T4a	105	17	88
	T4b	2	0	2
7th UICC pN	N0	24	2	22	0.08
	N1	45	1	44
	N2	40	4	36
	N3	63	11	52
7th UICC pStage	IIA	13	0	13	< 0.0001
	IIB	37	2	35
	IIIA	46	2	44
	IIIB	38	3	35
	IIIC	38	11	27
Vascular invasion	v0	16	1	15	0.94
	v1	55	6	49
	v2	55	6	49
	v3	46	5	41

JGCA: Japanese Gastric Cancer Association.