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. 2021 Aug 6;9(5):402–407. doi: 10.1093/gastro/goab028

Table 1.

Demographics of patients and features of lesions

Characteristic Value
Patients n =105
 Age, years, median (range) 69 (50–88)
 Men, n (%) 101 (96.2)
Lesions n =147
 Pathology, n (%)
  Squamous cell carcinoma 108 (73.5)
  HGIN 39 (26.5)
 Diameter, mm, median (range) 15 (2–110)
 Macroscopic tumor type, n (%)
  0-I 7 (4.8)
  0-IIa 10 (6.8)
  0-IIb 97 (66.0)
  0-IIc 31 (21.1)
  0-III 2 (1.4)
 Depth of tumor invasion, n (%)
  T1a + HGIN 116 (78.9)
  T1b 14 (9.5)
  Unknowna 17 (11.6)

HGIN, high-grade intraepithelial neoplasia.

a

Lesions were not resected (e.g. treated by chemoradiotherapy).