Table 1. Clinicopathological characteristics of patients with gastric cancer (n=107).
| Characteristics | Number |
|---|---|
| Age (year) | |
| Median (range) | 70 (32 ∼ 90) |
| Sex | |
| Female | 36 (33.6%) |
| Male | 71 (66.4%) |
| Lauren class | |
| Diffuse | 28 (26.2%) |
| Intestinal | 58 (54.2%) |
| Mixed | 21 (19.6%) |
| WHO class | |
| Mucinous | 3 (2.8%) |
| Tubular | 69 (64.5%) |
| Poorly cohesive | 14 (13.1%) |
| Mixed (Tubular_Poorly cohesive) | 16 (15.0%) |
| Uncommon histologic variants | 5 (4.7%) |
| pT stage | |
| T1a/T1b | 9 (8.4%)/15 (14.0%) |
| T2 | 11 (10.3%) |
| T3 | 38 (35.5%) |
| T4a/T4b | 33 (30.8%)/1 (0.9%) |
| pN stage | |
| N0/N1/N2/N3 | 40 (37.4%)/16 (15.0%)/20 (18.7%)/31 (29.0%) |
| M stage | |
| M0/M1 | 102 (95.3%)/5 (4.7%) |
| AJCC stage | |
| Stages IA/IB | 18 (16.8%)/11 (10.3%) |
| Stages IIA/IIB | 13 (12.1%)/13 (12.1%) |
| Stages IIIA/IIIB/IIIC | 17(15.9%)/11 (10.3%)/19 (17.8%) |
| Stage IV | 5 (4.7%) |
| Anatomical regions | |
| GEJ_Cardia | 8 (7.5%) |
| Fundus_Body | 36 (34.3%) |
| Antrum | 54 (50.5%) |
| Antrum_Body | 5 (4.7%) |
| Pylorus | 3 (2.8%) |
| Diffuse | 1 (0.9%) |
| Epstein-Barr virus infection | |
| Negative | 100 (93.5%) |
| Positive | 7 (6.5%) |
| Microsatellite instability(MSI) | |
| MSS | 88 (82.2%) |
| MSI-I | 4 (3.7%) |
| MSI-H | 15 (14.0%) |
| H. pylori infection | |
| Negative | 41 (38.3%) |
| Positive | 66 (61.7%) |
Abbreviations: GEJ, gastroesophageal junction; H. pylori, Helicobacter pylori; pT stage, pathological assessment of the primary tumor; pN stage, pathological assessment of the regional lymph nodes.