Table 4.

Clinical characteristics and serum pepsinogen (PG) levels of 15 Helicobacter pylori‐ and atrophy‐negative gastric cancer cases

Case	Age/sex	Pathology and TNM †	Stage †	Location ‡	Surgery	PG I (ng/mL)	PG II (ng/mL)	PG I/II ratio	H. pylori IgG
Case 1	56/M	T3N1M0	II	L	Total gastrectomy	105	32.8	3.2	–
Case 2	64/F	T1N0M0	I a	U	Total gastrectomy	98.6	9.6	10.3	_
Case 3	34/F	T2N0M0	I b	M	Total gastrectomy	93.4	25.6	3.6	_
Case 4	59/F	T2N0M0	I b	M	Total gastrectomy	80.4	18.8	4.3	_
Case 5	63/F	T4NxM1	IV	MU	Without operation	88.1	11.6	7.6	_
Case 6	67/M	T2N3M1	IV	M	Total gastrectomy	136.3	35.7	3.8	_
Case 7	59/M	T1N0M0	I a	L	Partial gastrectomy	303.3	20.3	14.9	_
Case 8	80/M	Unclear	–	–	Without operation	73.7	10.5	7	_
Case 9	80/M	T1N0M0	I a	U	Proximal gastrectomy	115.8	17	6.8	_
Case 10	72/M	T2N0M0	I b	U	Proximal gastrectomy	103	20.5	5	_
Case 11	77/M	T2N2M0	III a	U	Total gastrectomy	122.1	17.6	6.9	_
Case 12	46/M	T3N3M0	IV	U	Total gastrectomy	85.2	19.4	4.4	_
Case 13	70/M	T1N0M0	I a	U	Proximal gastrectomy	103.9	29.2	3.6	_
Case 14	67/M	T2N0M0	I b	M	Total gastrectomy	107	15.6	6.9	_
Case 15	59/F	T4N2M0	IV	M	Total gastrectomy	80.5	26.3	3.1	–

^† TNM classifications are summarized according to the Japanese Classification of Gastric Carcinoma (http://www.jgca.jp/PDFfiles/JCGC‐2E.PDF).

^{‡ ‡} Location, described as U (upper third), M (middle third) and L (lower third) and pathology.