Characteristics of Metachronous Gastric Tumors after Endoscopic Submucosal Dissection for Gastric Intraepithelial Neoplasms

Table 1

Clinicopathologic characteristics associated with metachronous gastric tumors.

Factors	No. of patients
Total patients	39
Age (years)
Mean (range)	70.3 (50–88)
Gender
Male	35 (90%)
Female	4 (10%)
Tumor size (mm)
Mean (range)	11.1 (3–20)
Location
Upper third	10 (26%)
Middle third	12 (31%)
Lower third	17 (44%)
Gross type†
Elevated	18 (46%)
Depressed	21 (54%)
Gastric mucosal atrophy
Closed	1 (3%)
Open	38 (97%)
Synchronous tumor
Negative	36 (92%)
Positive	3 (8%)
Histology
Intestinal	37 (95%)
Diffuse	2 (5%)
Depth
Mucosa	34 (87%)
Submucosa	5 (13%)

†Elevated: 0-I and 0-IIa; depressed: 0-IIc and 0-IIa+IIc.