Gastric cancer arising from the remnant stomach after distal gastrectomy: A review

Table 6 Clinicopathological comparison between primary upper third gastric cancer and gastric stump carcinoma

Clinicopathologic chracteristics	Ikeguchi et al[39], 1993	P value	Chen et al[40], 1996	P value	Newman et al[41], 1997	P value	Komatsu et al[42], 2012	P value
pT (1/2/3/4)
PUTGC	63/15/157/31	NS	5/30/88/20	NS	11/15/46/7	NS	69/75/54/9	0.07
GSC	4/3/7/6		0/5/13/7		7/6/11/1		10/10/7/6
pN (negative/positive)
PUTGC	99/167	NS	47/86	NS	24/54	NS	118/89	0.7
GSC	11/9		10/15		14/11		20/13
M (negative/positive)
PUTGC			127/16	NS	Nov-68	NS
GSC			20/5		22/3
5-yr survival
PUTGC	62.1%	NS	25%	0.31	37%	0.1		0.67
GSC	52.5%		46%		63%

PTUGC: Primary upper third gastric cancer; GSC: Gastric stump carcinoma; NS: Not significant.