1. Thirunavukarasu P, Sathaiah M, Singla S, Sukumar S, Karunamurthy A, Pragatheeshwar KD, Lee KK, Zeh H, Kane KM, Bartlett DL: Medullary cancer of the large intestine: a population based analysis. Int J Oncol. 2010, 37: 901-907.
2. Wick MR, Vitsky JL, Ritter JH, Swanson PE, Mills SE: Sporadic medullary carcinoma of the colon: a clinicopathologic comparison with nonhereditary poorly differentiated enteric-type adenocarcinoma and neuroendocrine colorectal carcinoma. Am J Clin Pathol. 2005, 123: 56-65. 10.1309/1VFJ1C3LP52A4FP8.
3. AJCC Cancer Staging Manual. 2010, Springer, New York
4. Lanza G, Gafà R, Matteuzzi M, Santini A: Medullary-type poorly differentiated adenocarcinoma of the large bowel: a distinct clinicopathologic entity characterized by microsatellite instability and improved survival. J Clin Oncol. 1999, 17: 2429-2438.
5. Shia J, Yantiss RA: Molecular mechanisms of colorectal carcinogenesis. Colorectal Carcinoma and Tumors of the Vermiform Appendix. Edited by: Yantiss RA. 2014, Lippincott Williams and Wilkins, Philadelphia, 195-199.