1)Hashiguchi Y, Muro K, Saito Y, et al. Japanese Society for Cancer of the Colon and Rectum(JSCCR)guidelines 2019 for the treatment of colorectal cancer. Int J Clin Oncol 25:1-42, 2020
2)Asayama N, Oka S, Tanaka S, et al. Long-term outcomes after treatment for T1 colorectal carcinoma. Int J Colorectal Dis 31:571-578, 2016
3)Overwater A, Kessels K, Elias SG, et al. Endoscopic resection of high-risk T1 colorectal carcinoma prior to surgical resection has no adverse effect on long-term outcomes. Gut 67:284-290, 2018
4)Belderbos TDG, van Erning FN, de Hingh IHJT, et al. Long-term recurrence-free survival after standard endoscopic resection versus surgical resection of submucosal invasive colorectal cancer:a population-based study. Clin Gastroenterol Hepatol 15:403-411, 2017
5)Tamaru Y, Oka S, Tanaka S, et al. Long-term outcomes after treatment for T1 colorectal carcinoma:a multicenter retrospective cohort study of Hiroshima GI endoscopy research group. J Gastroenterol 52:1169-1179, 2017
6)Watanabe D, Toyonaga T, Ooi M, et al. Clinical outcomes of deep invasive submucosal colorectal cancer after ESD. Surg Endosc 32:2123-2130, 2018
7)Yamashita K, Oka S, Tanaka S, et al. Preceding endoscopic submucosal dissection for T1 colorectal carcinoma does not affect the prognosis of patients who underwent additional surgery:a large multicenter propensity score-matched analysis. J Gastroenterol 54:897-906, 2019
8)Yamaoka Y, Imai K, Shiomi A, et al. Endoscopic resection of T1 colorectal cancer prior to surgery does not affect surgical adverse events and recurrence. Surg Endosc 34:5006-5016, 2020
9)Liu Y, Li R, Chang W, et al. The effect of non-curative endoscopic resection on cT1N0M0 colorectal carcinoma patients who underwent additional surgery. Surg Endosc 35:2862-2869, 2021
10)Oh EH, Kim N, Hwang SW, et al. Comparison of long-term recurrence-free survival between primary surgery and endoscopic resection followed by secondary surgery in T1 colorectal cancer. Gastrointest Endosc 2021[Online ahead of print]
11)Takamaru H, Saito Y, Sekiguchi M, et al. Endoscopic resection before surgery does not affect the recurrence rate in patients with high-risk T1 colorectal cancer. Clin Transl Gastroenterol 12:e00336, 2021
12)Yeh JH, Tseng CH, Huang RY, et al. Long-term outcomes of primary endoscopic resection vs surgery for T1 colorectal cancer:a systematic review and meta-analysis. Clin Gastroenterol Hepatol 18:2813-2823, 2020