Table 2 Clinicopathological characteristics of the mixed neuroendocrine-non-neuroendocrine neoplasm (MiNEN) patients
Characteristics | n = 6 | |
|---|---|---|
Age (years) | Median; range | 68 (63–74) |
Sex | Male | 6 |
Female | 0 | |
Body mass index (kg/m2) | Median; range | 23 (17.2–24) |
Performance status | 0/1/2/3 | 5/1/0/0 |
Tumor location | Upper | 3 |
Middle | 1 | |
Lower | 2 | |
Tumor diameter (mm) | Median; range | 45 (20–75) |
Macroscopic type | 0/1/2/3/4/5 | 2/1/1/2/0/0 |
Surgical procedures | Distal gastrectomy | 2 |
Proximal gastrectomy | 1 | |
Total gastrectomy | 3 | |
Extent of lymphadenectomy | Less than D2 | 3 |
D2 or more | 3 | |
Tumor invasion | 1/2/3/4 | 2/1/0/3 |
Lymph node metastasis | Negative | 3 |
Positive | 3 | |
Positive rate of lymph node metastasis (%) | Median; range | 4.4 (0–32.4) |
Component of positive lymph nodes | Neuroendocrine | 0 |
Non-neuroendocrine | 0 | |
Both components | 3 | |
TNM stage | I/II/III/IV | 3/0/3/0 |