Evaluation of Endoscopic Ultrasound Image Quality Is Necessary in Endosonographic Assessment of Early Gastric Cancer Invasion Depth

Table 1

Characteristics of the included lesions.

Characteristics	No. (%)
Location
Upper third	14 (18.4)
Middle third	32 (42.1)
Lower third	29 (38.2)
Tumor size (mean ± SD, mm)	17.6 ± 11.5
Gross morphologic type
Depressed	38 (51)
Elevated	37 (49)
Concomitant ulceration
Present	17 (23)
Absent	58 (77)
Histologic type
Intestinal	68 (91)
Diffuse	7 (9)
EUS image quality
0	3 (4)
1	11 (14.7)
2	15 (20)
3	46 (61.3)