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Type of distant metastasis in the cohort before matching.
| Distant metastasis organ involved | Patient numberaN = 25183 | Patient numberbN = 249 |
|---|---|---|
| Liver | 3909 (15.52) | 58 (23.29) |
| Distant lymph nodes | 2960 (11.75) | 56 (22.49) |
| Lung | 1369 (5.44) | 30 (12.05) |
| Bone | 1208 (4.80) | 34 (13.65) |
| Brain | 189 (0.75) | 28 (11.24) |
The gastric cancer patients extracted from SEER database.
The patients enrolled in this study. In the tables, the number in parentheses is the constituent ratio.
