Table 1 Baseline characteristics of the patients and lesions included in the study.
From: Location characteristics of superficial esophageal squamous cell carcinoma
Total, n | 163 |
|---|---|
Age, median (range) years | 67 (41 ~ 85) |
Male, n (%) | 141 (86.5) |
Location, n (%) | |
Upper thoracic | 16 (9.8) |
Mid-thoracic | 104 (63.8) |
Lower thoracic | 43 (26.4) |
Macroscopic type, n (%) | |
I | 13 (9.8) |
IIa | 29 (17.8) |
IIb | 105 (64.4) |
IIc | 9 (5.5) |
III | 7 (4.3) |
Whole or near circumferential, n (%) | 14 (8.6) |
Treatment, n (%) | |
Surgery | 89 (54.6) |
Endoscopic resection | 74 (45.4) |
Tumor length, median (range) cm | 1.8 (0.1 ~ 10.0) |
Invasion depth, n (%) | |
M1-M2 | 76 (46.6) |
M3-SM1 | 40 (24.5) |
SM2-SM3 | 47 (28.8) |
Differentiation, n (%) | |
Well | 73 (44.8) |
Moderate | 71 (43.6) |
Poorly | 19 (11.6) |
Lympho-vascular invasion, n (%) | 8 (4.9) |
Lymph node metastasis, n (%) | 9 (5.5) |
