Gastric Stump Cancer: More Than Just Another Proximal Gastric Cancer and Demanding a More Suitable TNM Staging System

Table 2

Univariate analysis of patients’ survival with GSC, PGC, and EGJC, after R0 resection.

Parameters	GSC	PGC	EGJC
Gender	P = 0.960	P = 0.340	P = 0.189
Macroscopy	P = 0.050	P = 0.001	P = 0.006
Lymphatic vessels invasion	P = 0.176	P = 0.001	P = 0.069
Venous invasion	P = 0.398	P = 0.007	P = 0.008
Lauren classification	P = 0.006	P = 0.002	𝑃=0.607
Depth wall penetration (T stage)	P = 0.220	P < 0.001	P = 0.025
Lymph node metastases (present versus absent)	P = 0.135	P < 0.001	P = 0.004
Nodal metastases (N stage)	P = 0.496	P < 0.001	P = 0.002
Nodal ratio (≤20% versus >20%)	P = 0.057	P < 0.001	P < 0.001
AJCC stage grouped (I-II versus III-IV)	P = 0.489	P < 0.001	P = 0.004