TABLE 1.
Characteristics of patients with primary gallbladder NETs
| Characteristic | All patients |
|---|---|
| [N = 754] | |
| Median age, years | 66 |
| Sex | |
| Female | 518 (69) |
| Male | 236 (31) |
| Race | |
| White | 503 (67) |
| Black | 130 (17) |
| Other | 121 (16) |
| Charlson–Deyo score | |
| 0 | 538 (71) |
| 1 | 157 (21) |
| ≥ 2 | 59 (8) |
| Tumor histology | |
| Neuroendocrine carcinoma | 464 (62) |
| Small cell neuroendocrine carcinoma | 217 (29) |
| Large cell neuroendocrine carcinoma | 67 (9) |
| Median tumor size, mm | 26 |
| AJCC stagea | |
| I | 205 (27) |
| II | 77 (10) |
| III | 121 (16) |
| IV | 295 (39) |
| Positive regional nodesa | |
| Yes | 111 (15) |
| No | 72 (47) |
| Tumor gradea | |
| 1 | 93 (12) |
| 2 | 21 (3) |
| 3 or undifferentiated | 312 (41) |
| Site of metastasis | |
| Liver | 126 (17) |
| Bone | 10 (1) |
| Lung | 7 (1) |
| Brain | 5 (1) |
| Unspecified | 147 (19) |
Data are expressed as n (%)
NETs neuroendocrine tumors, AJCC American Joint Committee on Cancer
a
Missing data were omitted