Tumor Regression Grade Predicts Survival in Locally Advanced Gastric Adenocarcinoma Patients with Lymph Node Metastasis

Table 1

Clinicopathological characteristics.

Characteristics	No. of patients	Percent
Gender
Male	215	74.1
Female	75	25.9
Age
<65	221	76.2
≥65	69	23.8
Tumor location
L	172	59.3
M	54	18.6
U	32	11.0
GEJ	8	2.8
Diffuse	24	8.3
Tumor size (cm)
<5	115	39.7
≥5	175	60.3
ypT
0	9	3.1
1-2	57	19.6
3-4	224	77.3
ypN
0	100	34.5
1	49	16.9
2	79	27.2
3	62	21.4
ypTNM
I	52	17.9
II	71	24.5
III	167	57.6
Histological type
Adenocarcinoma	186	64.1
Mucinous or signet ring cell carcinoma	104	35.9
Lauren classification
Intestinal	143	49.3
Diffuse or mixed	147	50.7
Grade of differentiation
Well	70	25.2
Moderate or poor	220	74.8
Vascular or lymphatic invasion
No	218	75.2
Yes	72	24.8
Nervous invasion
No	222	76.6
Yes	68	23.4
Mandard TRG
1	9	3.1
2	84	29.0
3	90	31.0
4	85	29.3
5	22	7.6
Neoadjuvant therapy
SOX	214	73.8
XELOX	21	7.2
FOLFOX	55	19.0
Adjuvant treatment
No	31	10.7
Yes	259	89.3