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Conditions Treated

Know Your Risk and Get Screened for Colorectal Cancer
Colorectal cancer is the second most common cause of death from cancer in the United States. Black Americans are about 20% more likely to get colorectal cancer and about 40% more likely to die from it than most other groups.
If you are 45 or older or have a higher risk of colon cancer, including a family history of the disease, it's time to get a colonoscopy—the most effective way of reducing your risk of colon cancer.
What We Offer You for Colonoscopy
- Specialized expertiseÌýfrom a program that exceeds national standards for colon cancer screenings. At ÌÇÐÄ´«Ã½, ours is one of only a few programs in the U.S. to offer comprehensive colonoscopies capable of detecting more polyps.ÌýGo to About Colonoscopy
- Advanced diagnostic and treatment optionsÌýranging from routine endoscopic screenings to minimally invasive procedures. We also offer genetic testing to assess your risk of colon cancer.ÌýGo to Conditions Treated
- Patient-focused careÌýto help you prepare for a colonoscopy. Our team is by your side during and after the procedure to focus on your comfort and needs.ÌýGo to What to Expect
- Ease of accessÌýto experts at the forefront of pioneering ÌÇÐÄ´«Ã½, the latest diagnostic tools, and treatments for GI conditions and GI cancers. We accept self-referrals, and most screenings are covered by insurance. You can get screened at convenient locations across the Bay Area.ÌýGo to Our Clinics
Our Approach to Colonoscopy
While colonoscopy is a common procedure, where you get your colonoscopy matters. Our program is one of a very few in the U.S. that uses advanced technology and has a comprehensive Quality Assurance Program. We exceed national standards for:
- Procedure preparation:ÌýBetter preparation means a more thorough and accurate colonoscopy.
- Polyp detection:ÌýOur colonoscopies are capable of detecting more polyps that have a chance of becoming cancer.
- Thorough exams:ÌýWe perform comprehensive colonoscopies and evaluate the full length of the colon.
What Is A Colonoscopy?
Conditions Treated with Colonoscopy
At ÌÇÐÄ´«Ã½, one measure of our exceptional care in colon cancer prevention is our adenoma detection rate (ADR), which is how often a doctor finds precancerous polyps during a routine colonoscopy. While the national ADR benchmark is 25%, our ADR is 44%.
Our endoscopy experts that have extensive experience in screening will use colonoscopy to diagnose and treat conditions including:
- Colorectal (colon and rectum) cancer
- Colorectal (colon and rectum) polyps
- Inflammatory bowel disease
- Gastrointestinal (GI) problems, such as abdominal pain, rectal bleeding, or bowel changes
What to Expect
Before
During
After
Your doctor and team will discuss colonoscopy preparation with you. Preparation involves a clear liquid diet the day before the procedure. You will need to drink a prescribed liquid to clean out the colon. A cleansed colon ensures that your endoscopist has a clear view.
Our Adequate Preparation Rate, a key colonoscopy quality measure, exceeds national benchmarks. We help you achieve a clean colon by guiding you through your bowel prep, so we can see well and find abnormalities. While the national benchmark is 85%, ourÌýAdequate Preparation Rate at ÌÇÐÄ´«Ã½ is 94%.
Most people are completely comfortable and not aware they are having a procedure. You will receive a sedative to help you relax and pain medication to prevent discomfort. You lie on your left side on the exam table with your knees drawn towards your chest. The endoscopist inserts a colonoscope (a thin, flexible tube with a camera attached) into the rectum and advances it carefully to view the inside of your entire large intestine. If needed, your doctor may use special tools to remove polyps or to biopsy abnormalities.
Our results exceed national benchmarks for all key colonoscopy quality measures, including:
- Thorough and complete exam: A complete exam requires advancing the scope all the way around to the cecum. While the national benchmark for a complete examination is 90% for all colonoscopies, our rate is 96%.
- Time a physician spends to inspect the colon wall: Finding polyps and small cancers requires taking the time to inspect the colon fully and carefully. While the national benchmark for time spent withdrawing the scope is 6 to 8 minutes minimum, our average withdrawal time is 15 minutes at ÌÇÐÄ´«Ã½.
- Polyp detection rate (called Adenoma Detection Rate (ADR)): ADR is the most important quality metric for colonoscopy.ÌýThis rate calculates in how many people we find and remove polyps (adenomas) that could become cancer, whenever we do a screening colonoscopy. While the national ADR benchmark is to find adenomas in at least 35% of patients, our ADR is 44%.
Most people wake up and are surprised that the procedure is over. Because you are sedated during the procedure, someone must drive you home from the appointment and stay during recovery. You should rest for the remainder of the day. Do not drive or do anything strenuous, such as exercise. You may experience some bloating, mild cramping, and gas. These symptoms are normal and will diminish over time. Unless your doctor says otherwise, you can resume a normal diet after the procedure.
We work closely with other ÌÇÐÄ´«Ã½ specialists in the GI Cancer Prevention Program, Interventional Radiology, and GI Cancer Program to provide seamless care if you need additional treatment. We are committed to providing you with innovative, comprehensive care.
Your doctor and team will discuss colonoscopy preparation with you. Preparation involves a clear liquid diet the day before the procedure. You will need to drink a prescribed liquid to clean out the colon. A cleansed colon ensures that your endoscopist has a clear view.
Our Adequate Preparation Rate, a key colonoscopy quality measure, exceeds national benchmarks. We help you achieve a clean colon by guiding you through your bowel prep, so we can see well and find abnormalities. While the national benchmark is 85%, ourÌýAdequate Preparation Rate at ÌÇÐÄ´«Ã½ is 94%.
close Before
Most people are completely comfortable and not aware they are having a procedure. You will receive a sedative to help you relax and pain medication to prevent discomfort. You lie on your left side on the exam table with your knees drawn towards your chest. The endoscopist inserts a colonoscope (a thin, flexible tube with a camera attached) into the rectum and advances it carefully to view the inside of your entire large intestine. If needed, your doctor may use special tools to remove polyps or to biopsy abnormalities.
Our results exceed national benchmarks for all key colonoscopy quality measures, including:
- Thorough and complete exam: A complete exam requires advancing the scope all the way around to the cecum. While the national benchmark for a complete examination is 90% for all colonoscopies, our rate is 96%.
- Time a physician spends to inspect the colon wall: Finding polyps and small cancers requires taking the time to inspect the colon fully and carefully. While the national benchmark for time spent withdrawing the scope is 6 to 8 minutes minimum, our average withdrawal time is 15 minutes at ÌÇÐÄ´«Ã½.
- Polyp detection rate (called Adenoma Detection Rate (ADR)): ADR is the most important quality metric for colonoscopy.ÌýThis rate calculates in how many people we find and remove polyps (adenomas) that could become cancer, whenever we do a screening colonoscopy. While the national ADR benchmark is to find adenomas in at least 35% of patients, our ADR is 44%.
close During
Most people wake up and are surprised that the procedure is over. Because you are sedated during the procedure, someone must drive you home from the appointment and stay during recovery. You should rest for the remainder of the day. Do not drive or do anything strenuous, such as exercise. You may experience some bloating, mild cramping, and gas. These symptoms are normal and will diminish over time. Unless your doctor says otherwise, you can resume a normal diet after the procedure.
We work closely with other ÌÇÐÄ´«Ã½ specialists in the GI Cancer Prevention Program, Interventional Radiology, and GI Cancer Program to provide seamless care if you need additional treatment. We are committed to providing you with innovative, comprehensive care.
close After
Our Clinics
The Stanford Digestive Health Center offers innovative treatments based on our pioneering ÌÇÐÄ´«Ã½ in gastroenterology and hepatology. Our focus is to enhance your comfort, recovery time, and overall quality of life using leading-edge care and technology for minimally invasive and traditional procedures.


Pavilion D Fl 2
Redwood City, CA 94063
Phone: 650-736-5555 Getting Here
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Pavilion D Fl 2
Redwood City, CA 94063
Phone: 650-736-5555
To schedule an appointment, please call: 650-736-5555.
For Emeryville, please call: 510-806-2100.