Effect of lymphadenectomy extent on advanced gastric cancer located in the cardia and fundus

Table 1 Clinical characteristics of the 236 patients

Characteristics	n	Percentage
Gender
Male	197	83.5
Female	39	16.5
Age (yr)
< 60	103	43.6
≥ 60	133	56.4
Tumor size (cm)
< 3	88	37.3
3-6	97	41.1
> 6	51	21.6
Borrmann’s type
Type I, II	172	72.9
Type III, IV	64	27.1
Histological classification
Papillary adenocarcinomas	47	20
Tubular adenocarcinomas	101	42.8
Mucinous adenocarcinomas	29	12.3
Poorly differentiated adenocarcinomas	36	15.3
Undifferentiated carcinomas	8	3.4
Others	15	6.4
Depth of invasion (T category)
Muscularis (pT2)	25	10.6
Serosa (pT3)	118	50
Invasion to adjacent organs (pT4)	93	39.4
Lymph node involvement (N category)
pN0	42	17.8
pN1	97	41.1
pN2	68	28.8
pN3	29	12.3
Stage
II	48	20.3
III	128	54.2
IV	60	25.4
Type of gastrectomy
TG	190	80.5
PSG	46	19.5