Implementation of Endoscopic Submucosal Dissection for Early Colorectal Neoplasms in Sweden

Table 1

Patient and tumor characteristics.

	Total
Total number of patients	29
Age (years)	74 (46–85)
Gender, 𝑛, (%)
Male	14 (48%)
Female	15 (52%)
Tumor size (mm)	28 (11–89)
Tumor location, 𝑛 (%)
Cecum	4 (14%)
Transverse colon	2 (7%)
Sigmoid colon	6 (21%)
Rectum	17 (59%)
Macroscopic type, 𝑛, (%)
Sessile	10 (34%)
LST-G	12 (41%)
LST-NG	7 (24%)
Histology, 𝑛, (%)
Low-grade adenoma	19 (66%)
High-grade adenoma	5 (17%)
Adenocarcinoma, sm1	3 (10%)
Adenocarcinoma, >sm1	2 (7%)

LGT-G: laterally spreading tumor-granular type; LST-NG: laterally spreading tumor-nongranular type; sm1: submucosal invasion <1000 𝜇m; >sm1: submucosal invasion >1000 𝜇m.