Proctology is the study and treatment of disorders of the rectum, anus, colon and pelvic floor. A proctologist is a physician who treats problems such as hemorrhoids, birth defects of the anal area, cancer of the colon and rectum, and injuries to the anus. Some of these conditions may require surgery. Also treated by this specialist are anal fissures, fecal incontinence, perianal warts or severe constipation conditions.

According to 2005 Census estimates, Washington, D.C. has a population of 550,521. Of this population, 110,240 are under the age of 18 and 66,591 are at or above the age of 65.