Clinical Trials Study
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. May 28, 2014; 20(20): 6322-6328
Published online May 28, 2014. doi: 10.3748/wjg.v20.i20.6322
Table 1 Clinicopathologic characteristics of 114 superficial esophageal carcinomas n (%)
CharacteristicsNo. of lesions
Location
Upper esophagus18 (15.8)
Mid-esophagus72 (63.2)
Lower esophagus24 (21.1)
Histologic type
Squamous cell carcinoma108 (94.7)
Adenocarcinoma3 (2.6)
Neuroendocrine carcinoma3 (2.6)
Differentiation degree
Well differentiated43 (37.7)
Moderately differentiated61 (53.5)
Poorly differentiated10 (8.8)
Macroscopic shape
Elevated62 (54.4)
Flat38 (33.3)
Depressed14 (12.3)
Circumferential spread
< 1/444 (38.6)
1/4–2/435 (30.7)
2/4–3/416 (14.0)
≥ 3/419 (16.7)
Tumor size (cm)
< 374 (64.9)
≥ 340 (35.1)