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. 2021 Jan 1;9(1):E14–E21. doi: 10.1055/a-1293-7086

Table 1. Lesion characteristics.

All lesions (n = 1396) SSL (n = 79)
n (%) n (%)
Pathology

  • Adenoma

 1008 (72.2) – –

  • Hyperplastic

  216 (15.5) – –

  • SSL

   79 (5.7) – –

  • TSA

   16 (1.1) – –

  • Other/normal

   77 (5.5) – –
Size (mm)

  • 1–5

  898 (64.3) 34 (43.0)

  • 6–9

  325 (23.3) 29 (36.7)

  • 10–20

  153 (11.0) 15 (19.0)

  • 20–60

   13 (1.0)  1 (1.3)
Morphology

  • 0-Ip

  132 (9.5)  1 (1.3)

  • 0-Is

 1036 (74.2) 47 (59.5)

  • 0-IIa

  181 (13.0) 18 (22.8)

  • 0-IIb

   15 (1.1)  8 (10.1)

  • 0-IIa + IIc

    1 (0.07) – –

  • LST

   19 (1.4)  5 (6.4)
Location

  • Proximal

  742 (53.1) 45 (57.0)

  • Distal

  651 (46.6) 34 (43.0)
NICE

  • 1

  335 (24.0) 44 (55.7)

  • 2

  963 (69.0) 29 (36.7)

  • 3

   17 (1.2)  1 (1.3)

  • Undefined

   11 (0.8)

SSL, sessile serrated lesion; NICE, NBI International Endoscopy Classification; LST, lateral spreading tumor; TSA, traditional serrated adenoma.