Table 2 The comparison between mucosal and submucosal cancer.
From: Location characteristics of superficial esophageal squamous cell carcinoma
Mucosal cancer (n = 105) | Submucosal cancer (n = 58) | p value | |
|---|---|---|---|
Age, median (range) years | 67 (41 ~ 85) | 66 (48 ~ 82) | 0.806 |
Male, n (%) | 88 (83.8) | 53 (91.4) | 0.183 |
Location, n (%) | |||
Upper thoracic | 6 (5.7) | 10 (17.2) | 0.024 |
Mid thoracic | 63 (60.0) | 41 (70.7) | 0.176 |
Lower thoracic | 36 (34.3) | 7 (12.1) | 0.003 |
Macroscopic type, n (%) | |||
I | 2 (1.9) | 11 (19.0) | 0.002 |
IIa | 8 (7.6) | 21 (36.2) | < 0.001 |
IIb | 93 (88.6) | 12 (20.7) | < 0.001 |
IIc | 2 (1.9) | 7 (12.1) | 0.017 |
III | 0 (0) | 7 (12.1) | 0.020 |
EUS accuracy, n (%) | 80 (76.2) | 39 (67.2) | 0.220 |
Whole or near circumferential, n (%) | 5 (4.8) | 9 (15.5) | 0.026 |
Treatment, n (%) | |||
Surgery | 45 (42.9) | 44 (75.9) | < 0.001 |
Endoscopic resection | 60 (57.1) | 14 (24.1) | |
Differentiation, n (%) | |||
Well | 62 (59.0) | 11 (19.0) | < 0.001 |
Moderate | 40 (38.1) | 31 (53.4) | 0.060 |
Poorly | 3 (2.9) | 16 (27.6) | < 0.001 |
Tumor length, median (range) cm | 1.5 (0.1 ~ 8.3) | 2.7 (0.6 ~ 10.0) | < 0.001 |
Lympho-vascular invasion, n (%) | 2 (1.9) | 6 (10.3) | 0.033 |
Lymph node metastasis, n (%) | 2 (1.9) | 7 (12.1) | 0.017 |
