Table 2.

Histology of the lesions based on forceps biopsy and resected specimens

Pre-treatment biopsy	Histology based on resected specimen n (%)
	Negative for neoplasia (n = 2)	LGIN (n = 16)	HGIN (n = 60)	ESCC (n = 59)
Negative for neoplasia (n = 3)	0 (0)	0 (0)	2 (66.7)	1 (33.3)
Indefinite for neoplasia (n = 11)	0 (0)	4 (36.4)	7 (63.6)	0 (0)
LGIN (n = 16)	1 (6.3)	8 (50)	5 (31.2)	2 (12.5)
HGIN (n = 83)	0 (0)	4 (4.8)	45 (54.2)	34 (41.0)
ESCC (n = 24)	1 (4.2)	0 (0)	1 (4.2)	22 (91.7)

LGIN = low grade intraepithelial neoplasm, HGIN = high grade intraepithelial neoplasm, ESCC = esophageal squamous cell carcinoma