1. Preexisting conditions / Eric L. Marderstein, Siyamek Neragi-Miandoab, and Conor P. Delaney -- 2. Preoperative bowel preparation / David A. Margolin and Sean Mayfield -- 3. Anesthesia and intraoperative positioning / Lebron Cooper and Larry R. Hutson -- 4. Sepsis / Steven Mills and Michael J. Stamos -- 5. Intraoperative anastomotic challenges / David E. Beck -- 6. Other intraoperative challenges / James T. McCormick and Sharon G. Gregorcyk -- 7. Postoperative anastomotic complications / Daniel L. Feingold -- 8. General postoperative complications / Scott R. Steele and Clifford L. Simmang -- 9. Care paths and optimal postop management / Surya P. M. Nalamati and Eric J. Szilagy -- 10. Limitations of anorectal physiology testing / Thomas E. Cataldo and Syed G. Husain -- 11. Limitations of colorectal imaging studies / Travis J. Blanchard, Wilson B. Altmeyer, and Charles C. Matthews -- 12. Transanal endoscopy / Terry C. Hicks -- 13. Laparoscopic colorectal surgery / James W. Fleshman and Jonathan S. Chun -- 14. Medical legal issues / Charles F. Gay Jr. and Terry C. Hicks -- 15. Miscellanous conditions / M. Benjamin Hopkins and Alan E. Timmcke -- 16. Quality and outcome measures / Janak A. Parikh. [et al.] -- 17. Hemorrhoidal surgery / Dan R. Metcalf and Anthony J. Senagore -- 18. Nonoperative therapy for hemorrhoid disease / Kerry Hammond and Charles B. Whitlow -- 19. Surgery and nonoperative therapy of perirectal abscesses and anal fistulas / Brian R. Kann and Charles B. Whitlow -- 20. Surgery and nonoperative therapy of anal fissure / Jaime L. Bohl and Alan J. Herline -- 21. Surgery for pilonidal disease and hidradenitis suppurativa / Paula I. Denoya and Eric G. Weiss -- 22. Surgical treatment of fecal incontinence / Ann C. Lowry and Dimitrios Christoforidis -- 23. Surgery for rectal Profilapse / Steven R. Hunt -- 24. Operative and nonoperative therapy for diverticular disease / R. Scott Nelson and Alan G. Thorson -- 25. Abdominal surgery for colorectal cancer / Jason Hall and Rocco Ricciardi -- 26. Transanal approaches to rectal cancer / Sachin S. Kukreja and Theodore J. Saclarides -- 27. Abdominoperineal resection / W. Brian Perry. [et al.] -- 28. Indications and outcomes for treatment of recurrent rectal cancer and colorectal liver and lung metastasis / Harry L. Reynolds Jr., Christopher T. Siegel, and Jason Robke -- 29. Chemotherapy for colon and rectal cancer / Liliana Bordeianou and Judith L. Trudel -- 30. Radiation therapy : acute and late toxicity / Roland Hawkins -- 31. Surgery for ulcerative colitis / Patricia L. Roberts -- 32. Surgery for Crohn's disease / Jorge Canedo, Tolga Erim, and Steven D. Wexner -- 33. Ostomies / Vance Y. Sohn and Scott R. Steele -- 34. Operative and nonoperative therapy for chronic constipation / Harry T. Papaconstantinou -- 35. Colorectal trauma / S. David Cho, Sharon L. Wright, and Martin A. Schreiber -- 36. Urologic complications of colorectal surgery / Scott Delacroix Jr. and J. Christian Winters.