1. Williams GT, Quirke P, Shepherd NA (2012) Dataset for colorectal cancer, 2nd edn. http://www.rcpath.org/Resources/RCPath/Migrated%20Resources/Documents/G/G049-ColorectalDataset-Sep07.pdf . Accessed 10 June 2012
2. Yamamoto S, Watanabe M, Hasegawa H et al (2004) The risk of lymph node metastasis in T1 colorectal carcinoma. Hepatogastroenterology 51:998–1000
3. Ruiz-Tovar J, Jimenez-Miramon J, Valle A, Limones M (2010) Endoscopic resection as unique treatment for early colorectal cancer. Rev Esp Enferm Dig 102:435–441
4. Son HJ, Song SY, Lee WY et al (2008) Characteristics of early colorectal carcinoma with lymph node metastatic disease. Hepatogastroenterology 55:1293–1297
5. Logan RF, Patnick J, Nickerson C, Coleman L, Rutter MD, von Wagner C (2012) Outcomes of the Bowel Cancer Screening Programme (BCSP) in England after the first 1 million tests. Gut 61:1439–1446