Table 1 Clinicopathological factors of the EBDCs (n=61)
Sex | |
Male | 46 (75%) |
Female | 15 (25%) |
Age (years) | 45–85 (mean: 66.1) |
Location | |
Upper | 10 (16%) |
Middle | 17 (28%) |
Lower | 34 (56%) |
Differentiation | |
Luminal surface | |
Papillary | 4 (7%) |
Tubular, well differentiated | 38 (62%) |
Tubular, moderately differentiated | 17 (28%) |
Tubular, poorly differentiated | 1 (2%) |
Undifferentiated | 1 (2%) |
Invasive front (n=58) | |
Papillary | 0 (0%) |
Tubular, well differentiated | 16 (28%) |
Tubular, moderately differentiated | 33 (57%) |
Tubular, poorly differentiated | 8 (14%) |
Undifferentiated | 1 (2%) |
Depth of invasion (T number) | |
Tis | 3 (5%) |
T1b | 1 (2%) |
T2 | 22 (36%) |
T3 | 35 (57%) |
Lymphatic permeation | |
Negative | 14 (23%) |
Positive | 47 (77%) |
Venous invasion | |
Negative | 23 (38%) |
Positive | 38 (62%) |
Perineural invasion | |
Negative | 12 (20%) |
Positive | 49 (80%) |
Lymph node metastasis (N) | |
Negative | 33 (54%) |
Positive | 28 (46%) |
TNM stage | |
0 | 3 (5%) |
I | 1 (2%) |
II | 13 (21%) |
III | 9 (15%) |
IVA | 35 (57%) |
