Retrospective Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Jun 28, 2017; 23(24): 4416-4421
Published online Jun 28, 2017. doi: 10.3748/wjg.v23.i24.4416
Table 1 Baseline characteristics of patients with superficial esophageal squamous cell carcinoma n (%)
Characteristics
Male/female62/7
Mean age, yr (range)66 (47-81)
Location
Upper esophagus3 (4.3)
Mid-esophagus52 (74.3)
Lower esophagus15 (21.4)
Macroscopic shape
Elevated24 (34.3)
Flat27 (38.6)
Depressed19 (27.1)
Mean tumor size, mm (range)25 (4-70)
Differentiation
Well differentiated34 (48.6)
Moderately differentiated31 (44.3)
Poorly differentiated5 (7.1)
Depth of invasion
Mucosa43 (61.4)
m18
m220
m315
Submucosa27 (38.6)
sm13
sm224
Resection method
Endoscopic resection32 (45.7)
Surgical resection38 (54.3)