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Find out how a sigmoidoscopy is used to look for early signs of colon cancer
and learn what happens during the procedure.
Colorectal Cancer: Finding Help
Want a second opinion or looking for a doctor that specializes in treating colon cancer? WebMD’s Physician Directory can help you find an oncologist in your area.
Tool: Find a Doctor Who Specializes in Colon Cancer
Read the Colorectal Cancer: Finding Help article > >
A barium enema is often used along with a sigmoidoscopy to screen for colon
cancer. Learn about the procedure and what to expect during and after the
Barium Enema Screening for Colon Cancer
With a proctoscopy, your doctor can monitor the growth of rectal polyps or
check for a return of rectal cancer in people who have already had surgery to
treat their cancer.
Proctoscopy for Rectal Cancer
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