| 1 | In fact, it is a combination of anastomat and rectal speculum . | |
| 2 | In addition, when covered by third-party payers, virtual colonoscopy may entice more people to be screened. | |
| 3 | Of the patients with a positive fecal occult blood test, 26% were found upon colonoscopy to have advanced adenoma, and 9% were found to have colorectal cancer. |