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.

Doctor density varies by specialty and location. Missouri has 1 practicing proctologist in Wentzville.

Missouri is bordered by the Mississippi River on the east and the Missouri river on the west. Missouri became a state in 1821, and its population is 5,800,310. Jefferson City is the capital of Missouri, though Kansas City is the largest. When in St. Louis, take a ride up the Gateway Arch, enjoy a riverboat cruise, or visit the unique International Bowling Museum and Hall of Fame. Two presidents are from Missouri: Ulysses S. Grant and Harry Truman, and scores of famous people, such as Walt Disney, Vincent Price, Brad Pitt, writer Mark Twain (Samuel Clemens), outlaw Jesse James, frontierswoman Calamity Jane, baseball great Yogi Berra, and musicians Chuck Berry, Sheryl Crow, and jazz musician Charlie “Bird” Parker.

According to 2005 Census estimates, Missouri has a population of 5,800,310. Of this population, 1,344,902 are under the age of 18 and 768,463 are at or above the age of 65.