Table 1.

Patient and lesion characteristics in the validation image set

Patient characteristics, n = 112	Value
Median age, yr (range)	59 (19-86)
Sex, male/female	67/45
Lesion characteristics, n = 42
Median size, mm (range)	23 (9-42)
Location, Ce/Ut/Mt/Lt/Ae	0/3/24/15/0
Pathological diagnosis
LGIN/HGIN	6/18
Cancer, M/SM1	15/3

Ae: Abdominal esophagus; Ce: Cervical esophagus; HGIN: High-grade intraepithelial neoplasia; LGIN: Low-grade intraepithelial neoplasia; Lt: Lower thoracic esophagus; M: Mucosal; Mt: Middle thoracic esophagus; SM1: Submucosal; Ut: Upper thoracic esophagus.