Flexible sigmoidoscopy is a test that uses a flexible, narrow tube with a light and tiny camera on one end, called a sigmoidoscope , to look inside the rectum and the lower, or sigmoid, colon.
Flexible sigmoidoscopy is a test that uses a flexible, narrow tube with a light and tiny camera on one end, called a sigmoidoscope , to look inside the rectum and the lower, or sigmoid, colon.
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