Table 4 Pathological findings.
ALL n = 74 | EP n = 43 | PD n = 31 | p-value | |
|---|---|---|---|---|
Type of tumors, n (%) | ||||
Adenoma | 34 (45.9) | 32 (74.4) | 2 (6.5) | < 0.001 |
Adenocarcinoma | 40 (54.1) | 11 (25.6) | 29 (93.5) | < 0.001 |
Tis | 16 (40.0) | 8 (72.7) | 8 (27.6) | 0.569 |
T1a | 24 (60.0) | 3 (27.3) | 21 (72.4) | < 0.001 |
Lymphovasucular invasion | 2 (5.0) | 0 | 2 (6.9) | 0.172 |
Lymph node metastasis | 0 | – | 0 | |
Histologic type of adenocarcinoma | ||||
Papillary adenocarcinoma | 5 (12.5) | 1 (9.1) | 4 (13.8) | 1.000 |
Well differentiated adenocarcinoma | 33 (44.6) | 10 (23.3) | 23 (74.2) | 0.649 |
Poorly differentiated adenocarcinoma | 1 (2.5) | 0 | 1 (3.4) | 1.000 |
Mucinous adenocarcinoma | 1 (2.5) | 0 | 1 (3.4) | 1.000 |
Median tumor size, mm (range) | 20 (10–65) | 20 (12–39) | 20 (10–65) | 0.779 |
