S. Ahmad, N. Watson, K. Shamim, A. Menon, and K. Abdullah, “Squamous cell carcinoma of the cecum developing in a patient with long-standing ulcerative colitis and a coexistent carcinoid tumor in the appendix: A case report”, Turkish Journal of Gastroenterology, vol. 26, no. 5, pp. 435–437, Jan. 2015.