Table 3 Comparison of upper and lower thoracic lesions with mid-thoracic lesions.
From: Location characteristics of superficial esophageal squamous cell carcinoma
Upper thoracic (n = 16) | p value | Mid-thoracic (n = 104) | Lower thoracic (n = 43) | p value | |
|---|---|---|---|---|---|
Age, median (range) years | 64 (53 ~ 79) | 0.911 | 65 (41 ~ 84) | 70 (48 ~ 85) | 0.052 |
Male, n (%) | 12 (75.0) | 0.237 | 90 (86.5) | 39 (90.7) | 0.487 |
Macroscopic type, n (%) | |||||
I | 4 (25.0) | 0.018 | 6 (5.8) | 3 (7.0) | 0.782 |
IIa | 2 (12.5) | 0.348 | 24 (23.1) | 3 (7.0) | 0.031 |
IIb | 7 (43.8) | 0.237 | 62 (59.6) | 36 (83.7) | 0.007 |
IIc | 0 (0) | 0.471 | 8 (7.7) | 1 (2.3) | 0.245 |
III | 3 (18.7) | 0.032 | 4 (3.8) | 0 (0) | 0.365 |
Whole or near circumferential, n (%) | 0 (0) | 0.471 | 8 (7.7) | 6 (14.0) | 0.246 |
Treatment, n (%) | |||||
Surgery | 14 (87.5) | 0.005 | 45 (43.3) | 30 (69.8) | 0.004 |
Endoscopic resection | 2 (12.5) | 59 (56.7) | 13 (30.2) | ||
Tumor length, median (range) cm | 2.0 (0.2 ~ 4.5) | 0.632 | 1.7 (0.1 ~ 10.0) | 2.0 (0.1 ~ 8.3) | 0.419 |
Invasion depth, n (%) | |||||
M1-M2 | 4 (25.0) | 0.175 | 45 (43.3) | 27 (62.8) | 0.033 |
M3-SM1 | 2 (12.5) | 0.229 | 28 (26.9) | 10 (23.2) | 0.644 |
SM2-SM3 | 10 (62.5) | 0.015 | 31 (29.8) | 6 (14.0) | 0.049 |
Differentiation, n (%) | |||||
Well | 5 (31.3) | 0.300 | 47 (45.2) | 21 (48.8) | 0.687 |
Moderate | 5 (31.3) | 0.300 | 47 (45.2) | 19 (44.2) | 0.911 |
Poorly | 6 (37.4) | 0.005 | 10 (9.6) | 3 (7.0) | 0.610 |
Lympho-vascular invasion, n (%) | 0 (0) | 0.689 | 5 (4.8) | 3 (7.0) | 0.600 |
Lymph node metastasis, n (%) | 0 (0) | 0.600 | 6 (5.8) | 3 (7.0) | 0.782 |
