Table 1.
The characteristics of all patients with cholangiocarcinoma (CCA) whose tumor tissues were studied by metabolomics profiling.
| Variables | Number (n) |
|---|---|
| Sex (n = 36) | |
| Male | 23 |
| Female | 13 |
| Age (year) | |
| Less than 61 | 15 |
| 61 or greater | 21 |
| Tumor site | |
| Intrahepatic | 20 |
| Extrahepatic | 16 |
| Histology | |
| Papillary | 9 |
| Non-papillary | 27 |
| Marginal status | |
| Free margin | 17 |
| Not free margin | 11 |
| Not applicable | 8 |
| Primary tumor (T) | |
| Is, I, II | 11 |
| III, IV | 19 |
| Not applicable | 6 |
| Reginal lymph node (N) metastasis | |
| No | 14 |
| Yes | 8 |
| Not applicable | 14 |
| Distance metastasis | |
| No | 14 |
| Yes | 6 |
| Not applicable | 16 |
| TNM stage | |
| I, II | 9 |
| III, IV | 22 |
| Stage unknown | 5 |