Table 3.

Subgroup analysis of patients with AEG stratified by the seventh AJCC TNM classification for cancers of the esophagus and stomach according to pN category

AJCC stomach	n	5-year survival (%)	P value between subgroups*	AJCC esophagus	n	5-year survival (%)	P value between subgroups*
pN0	89	58.5%	0.014	pN0	89	58.5%	0.014
pN1	58	45.2%	0.039	pN1	58	45.2%	0.039
pN2	80	27.2%	0.017	pN2	80	27.2%	0.001
pN3a	54	14.8%	<0.001	pN3	64	12.5%
pN3b	10	0

^*Analysis between the adjacent subgroups according to pN category.