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Table 1 Baseline characteristics of 616 advanced colorectal neoplasia lesions in 610 patients

From: Long-term outcomes of endoscopic submucosal dissection for high-grade dysplasia and early-stage carcinoma in the colorectum

Variable Number of lesions (%)
Tumor size (cm)
 < 4.0 483 (78.4)
 ≥ 4.0 133 (21.6)
Tumor location
 Right side of the colon 110 (17.8)
 Left side of the colon 142 (23.1)
 Rectum 364 (59.1)
Growth type
 LST-G 174 (28.2)
 LST-NG 118 (19.2)
 Polypoid 324 (52.6)
Histology
 HGD 391 (63.5)
 Carcinoma
  Tis 98 (15.9)
  T1a 80 (13.0)
  T1b 47 (7.6)
Lymphovascular infiltration
 Absence 604 (98.1)
 Presence 12 (1.9)
  1. LST laterally spreading tumor, LST-G granular LST, LST-NG non-granular LST, HGD high-grade dysplasia, Tis carcinoma in situ, T1a carcinoma with submucosal invasion < 1000 μm in depth, T1b carcinoma with submucosal invasion ≥ 1000 μm in depth