:670. 8. Modlin IM Ly KD Kidd M. A 5-decade analysis of 13 715 carcinoid tumors. Cancer 2003. 97:934. 9. Sauven P Ridge JA, Quan SH Sigurdson ER. Anorectal carcinoid tumors: Is aggressive surgery warranted? Ann Surg 1990. 211:67. 10. Koura AN Giacco GG Curley SA et al. Carcinoid tumors of the rectum: