Remnant gastric cancer: An ordinary primary adenocarcinoma or a tumor with its own pattern?

Table 1 Clinical and surgical characteristics of primary proximal gastric cancer and remnant gastric cancer groups

Variable	PGC, n = 120 (%)	RGC, n = 41 (%)	P value
Sex			0.216
Female	32 (26.7)	7 (17.1)
Male	88 (73.3)	34 (82.9)
Age in yr, mean ± SD	62.6 ± 12.7	68.1 ± 7.6	0.001
Body mass index in kg/cm², mean ± SD	24.9 ± 4.9	22.5 ± 4.2	0.006
Hemoglobin in g/dL, mean ± SD	12.5 ± 2.1	10.6 ± 2.2	< 0.001
Albumin in g/dL, mean ± SD	4.3 ± 3.2	3.8 ± 0.5	0.402
Neutrophil lymphocyte ratio, mean ± SD	3.02 (2.94)	3.01 (2.37)	0.994
Charlson–Deyo comorbidity index			0.391
0	76 (63.3)	29 (70.7)
> 1	44 (36.7)	12 (29.3)
American Society of Anesthesiologists			0.561
I/II	82 (68.3)	30 (73.2)
III/IV	38 (31.7)	11 (26.8)
Tumor site			0.002
Cardia Siewert II	16 (13.3)	0 (0)
Cardia Siewert III	32 (26.7)	5 (12.2)
Corpus/fundus	72 (60)	36 (87.8)
Surgical acess			0.693
Open	108 (90)	36 (87.9)
Laparoscopic	12(10)	5 (12.1)
Combined resection of other organs			0.789
No	96 (80)	32 (78)
Yes	24 (20)	9 (22)
Grade of Postoperative complication			0.867
0-I-II	98 (81.7)	33 (80.5)
III-IV	22 (18.3)	8 (19.5)
Hospital length of stay, mean ± SD	16.1 (9.1)	20.7 (17.9)	0.120
Neoadjuvant / adjuvant chemotherapy			< 0.001
No	43 (38.5)	29 (70.7)
Yes	77 (64.5)	12 (29.3)
Mortality
30 d	7 (5.8)	2 (4.9)	1.0
90 d	10 (8.3)	5 (12.2)	0.535

P values in bold are statistically significant. PGC: Proximal gastric cancer; RGC: Remnant gastric cancer; SD: Standard deviation.