Table 3.
Histopathological factors affecting endoscopic ultrasonography (EUS) T staging
| Variables | n | Overstaging, % | P | Understaging, % | P |
|---|---|---|---|---|---|
| Total |
309 |
137 (44.3) |
|
39 (12.6) |
|
| Tumor size, mm | |||||
| <20 |
80 |
30 (37.5) |
0.03 |
7 (8.8) |
0.42 |
| 2–50 |
141 |
58 (41.1) |
|
21 (14.9) |
|
| ≥50 |
88 |
49 (55.7) |
|
11 (12.5) |
|
| Tumor locationI | |||||
| Upper |
18 |
6 (33.3) |
0.62 |
3 (16.7) |
0.28 |
| Middle |
137 |
61 (44.5) |
|
21 (15.3) |
|
| Lower |
154 |
70 (45.5) |
|
15 (9.7) |
|
| Tumor locationII | |||||
| Wall |
162 |
70 (43.2) |
0.32 |
20 (12.3) |
0.65 |
| Curvature |
131 |
57 (43.5) |
|
16 (12.2) |
|
| Circumferential |
16 |
10 (62.5) |
|
3 (18.8) |
|
| Histological type | |||||
| Differentiated |
147 |
66 (44.9) |
0.85 |
21 (14.3) |
0.40 |
| Undifferentiated |
162 |
71 (43.8) |
|
18 (11.1) |
|
| Ulceration | |||||
| Yes |
227 |
94 (41.4) |
0.08 |
31 (13.7) |
0.36 |
| No |
82 |
43 (52.4) |
|
8 (9.8) |
|
| Lauren | |||||
| Intestinal type |
142 |
63 (44.4) |
0.88 |
16 (11.3) |
0.15 |
| Mixed type |
60 |
25 (41.7) |
|
12 (20.0) |
|
| Diffuse type | 107 | 49 (45.8) | 11 (10.3) | ||