2. Heald RJ, Husband EM, Ryall RD. The mesorectum in rectal cancer surgery--the clue to pelvic recurrence? Br J Surg 1982;69:613–6.
3. Nastro P, Beral D, Hartley J, Monson JR. Local excision of rectal cancer: review of literature. Dig Surg 2005;22:6–15.
7. Nash GM, Weiser MR, Guillem JG, Temple LK, Shia J, Gonen M, et al. Long-term survival after transanal excision of T1 rectal cancer. Dis Colon Rectum 2009;52:577–82.
9. Haggitt RC, Glotzbach RE, Soffer EE, Wruble LD. Prognostic factors in colorectal carcinomas arising in adenomas: implications for lesions removed by endoscopic polypectomy. Gastroenterology 1985;89:328–36.
10. Matsuda T, Fukuzawa M, Uraoka T, Nishi M, Yamaguchi Y, Kobayashi N, et al. Risk of lymph node metastasis in patients with pedunculated type early invasive colorectal cancer: a retrospective multicenter study. Cancer Sci 2011;102:1693–7.
11. Yoon YS, Kim J, Hong SM, Lee JL, Kim CW, Park IJ, et al. Clinical implications of mucinous components correlated with microsatellite instability in patients with colorectal cancer. Colorectal Dis 2015;17:O161–7.
12. Peng J, Chen W, Sheng W, Xu Y, Cai G, Huang D, et al. Oncological outcome of T1 rectal cancer undergoing standard resection and local excision. Colorectal Dis 2011;13:e14–9.
13. Endreseth BH, Myrvold HE, Romundstad P, Hestvik UE, Bjerkeset T, Wibe A, et al. Transanal excision vs. major surgery for T1 rectal cancer. Dis Colon Rectum 2005;48:1380–8.
15. Nascimbeni R, Nivatvongs S, Larson DR, Burgart LJ. Long-term survival after local excision for T1 carcinoma of the rectum. Dis Colon Rectum 2004;47:1773–9.
16. Madbouly KM, Remzi FH, Erkek BA, Senagore AJ, Baeslach CM, Khandwala F, et al. Recurrence after transanal excision of T1 rectal cancer: should we be concerned? Dis Colon Rectum 2005;48:711–9.
17. Bentrem DJ, Okabe S, Wong WD, Guillem JG, Weiser MR, Temple LK, et al. T1 adenocarcinoma of the rectum. Trans Meet Am Surg Assoc Am Surg Assoc 2005;123:166–73.
21. Bikhchandani J, Ong GK, Dozois EJ, Mathis KL. Outcomes of salvage surgery for cure in patients with locally recurrent disease after local excision of rectal cancer. Dis Colon Rectum 2015;58:283–7.
23. Bellomo R, Warrillow SJ, Reade MC. Why we should be wary of single-center trials. Crit Care Med 2009;37:3114–9.
24. Sedgwick P. Retrospective cohort studies: advantages and disadvantages. BMJ 2014;348:g1072.