Table 2 Macroscopic characteristics of esophageal neuroendocrine carcinomas
Pure NECs+(%) | MiNECs+(%) | P | |
|---|---|---|---|
Tumor location | 0.049 | ||
Upper (15-24 cm) | 4(11.1) | 0(0.0) | |
Middle (24-32 cm) | 26(72.2) | 10(58.8) | |
Lower (32-40 cm) | 6(16.7) | 7(41.2) | |
Tumor numbers | 0.493 | ||
Single | 35(97.2) | 15(88.2) | |
Two | 1(2.8) | 2(11.8) | |
Three or more | 0(0.0) | 0(0.0) | |
Tumor size (cm) | 0.275 | ||
Median (range) | 3.0(2.35–4.50) | 4.0(3.0–4.75) | |
Gross appearance | 0.001 | ||
Polypoid nodular elevated types | 14(37.8) | 11(57.9) | |
Flat | 2(5.4) | 6(31.6) | |
Ulcerative | 21(56.8) | 2(10.5) |