Table 4.
Depth of invasion, histological type, macroscopic type, lymphatic penetration of lymph node metastasis and tumor maximum diameter in the lower third of stomach
| Factors |
Group 1 metastasis (person) |
Group 2 metastasis (person) |
||||||||||
| No.3 | No.4 | No.5 | No.6 | Total | P value | No.1 | No.7 | No.8a | No.9 | Total | P value | |
| Tumor maximum diameter (cm) | ||||||||||||
| ≤ 1.0 | 1 | 0 | 0 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | ||
| 1.1-2.0 | 4 | 4 | 2 | 4 | 11 | 0 | 3 | 3 | 0 | 5 | ||
| 2.1-3.0 | 0 | 2 | 1 | 0 | 3 | 0 | 1 | 0 | 0 | 1 | ||
| > 3.0 | 7 | 10 | 0 | 7 | 17 | 0.143 | 1 | 9 | 4 | 2 | 12 | 0.018 |
| Histological type | ||||||||||||
| Diff | 4 | 4 | 0 | 4 | 8 | 0 | 2 | 0 | 1 | 2 | ||
| Undiff | 8 | 12 | 3 | 10 | 27 | 0.025 | 1 | 11 | 7 | 1 | 16 | 0.006 |
| Depth of invasion | ||||||||||||
| M | 1 | 4 | 2 | 3 | 9 | 1 | 0 | 0 | 0 | 1 | ||
| Sm | 11 | 12 | 1 | 11 | 26 | 0.010 | 0 | 13 | 7 | 2 | 17 | < 0.001 |
| Growth manner | ||||||||||||
| Mass | 5 | 5 | 0 | 5 | 10 | 0 | 4 | 3 | 1 | 7 | ||
| Nest | 3 | 3 | 2 | 2 | 8 | 0.669 | 0 | 3 | 2 | 1 | 4 | 0.689 |
| Diffuse | 4 | 8 | 1 | 7 | 17 | 1 | 6 | 2 | 0 | 7 | ||
| Macroscopic type | ||||||||||||
| Protruded | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | ||
| Flat | 1 | 2 | 0 | 1 | 3 | 0 | 2 | 0 | 0 | 2 | ||
| Depressed | 11 | 12 | 3 | 13 | 30 | 0.819 | 1 | 11 | 7 | 2 | 16 | 0.501 |
| Lymphatic invasion | ||||||||||||
| Negative | 10 | 13 | 2 | 11 | 27 | 1 | 8 | 6 | 2 | 13 | ||
| Positive | 2 | 3 | 1 | 3 | 8 | < 0.001 | 0 | 5 | 1 | 0 | 5 | < 0.001 |
Diff: Differentiated histological type; Undiff: Undifferentiated histological type; M: Mucosa; Sm: Submucosa.