Table 1.

Patients and lesion characteristics.

	n = 23
Clinical characteristics
Age, median (range) (years)	67 (45-84)
Sex, male/female, n	21/2
ASA grade, 1/2/3, n	8/12/3
Barrett's extent
C (median, range) (cm)	2 (0-9)
M (median, range) (cm)	5 (2-10)
Hiatal hernia, n (%)	21 (91.3)
Lesion characteristics
Paris classification, n (%)
0-Is	2 (8.7)
0-IIa	11 (47.8)
0-IIb	9 (39.1)
0-IIc	1 (4.3)
Endoscopic estimation of neoplasia
Single lesion, n (%)	13 (56.5)
Estimated diameter of single lesion; median (range), mm	40 (20-60)
Multifocal neoplasia (≥1 visible lesion), n (%)	10 (43.5%)
Pretreated lesions	0