Table 1. Characteristics of the 32 patients and lesions.

Characteristics	Total population, n = 32
Mean age, year ± SD (range)	67 ± 11 (42–88)
Male sex, n (%)	18 (56.3 %)
Previous appendectomy	11 (34.4 %)
Lesion classification, n (%)
Type 1	3 (9.4 %)
Type 2	7 (21.9 %)
Type 3	11 (34.4 %)
Type 3a	11 (34.4 %)
Macroscopic Morphology, n (%)
LST-G homogenous	13 (40.6 %)
LST-G with macronodule > 1 cm	1 (3.6 %)
LST-G with central depression	1 (3.1 %)
LST-NG homogenous	1 (3.1 %)
Serrated lesion	11 (34.4 %)
Polyp	5 (15.6 %)
Submucosal fibrosis, n (%)
F0	2 (6.3 %)
F1	8 (25.0 %)
F2	22 (68.8 %)
Lesion size, median (range), mm	35 (10–110)
Procedure time, median (range), minutes	47 (10–230)
Number of clips, mean ± SD (range)	2 ± 2 (1–7)
Hospital stay, mean ± SD (range), nights	2.6 ± 2 (2–12)
Histology, n (%)
High-grade dysplasia	10 (31.3 %)
Low-grade dysplasia	8 (25.0 %)
Intramucosal adenocarcinoma	1 (3.1 %)
Submucosal cancer < 1000 µm	1 (3.1 %)
Serrated lesion without dysplasia	11 (34.4 %)
Serrated lesion with low-grade dysplasia	1 (3.1 %)

LST-G, laterally spreading tumor-granular; SD, standard deviation.