Reviewed By:
Robin Schoenthaler, MD (Oncology)
Board certified radiation oncologist with over 30 years experience treating cancer patients. Senior physician advisor for expert medical options in adult oncology. Published award-winning essayist on medical and health issues and more.
Aiko Yoshioka, MD (Gastroenterology)
Dr. Yoshioka graduated from the Niigata University School of Medicine. He worked as a gastroenterologist at Saiseikai Niigata Hospital and Niigata University Medical & Dental Hospital before serving as the Deputy Chief of Gastroenterology at Tsubame Rosai Hospital and Nagaoka Red Cross Hospital. Dr. Yoshioka joined Saitama Saiseikai Kawaguchi General Hospital as Chief of Gastroenterology in April 2018.
Content updated on Jan 19, 2024
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Cancer of the large intestine which is the final part of the digestive tumors. It often grows from non-cancerous polyps in the intestine. Both polyps and colon cancers can be found during colonoscopy (camera test of colon). Symptoms can include blood in stool, diarrhea or constipation or both, or abdominal pain but many times there are no symptoms and the cancer is found on colonoscopy. It can be easily treated in early stages, so the general population is encouraged to get screened with colonoscopy and sometimes stool tests. Risk factors include a family history of colon cancer or polyps, or a personal history of abnormal polyps, low-fiber high-fat diets, some inflammatory bowel diseases, diabetes, obesity, and lack of exercise.
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In most cases a gastroenterologist will diagnose the tumor with a biopsy during colonoscopy or sigmoidoscopy. They will then order CT scans and MRIs and will refer the patient to a colorectal surgeon. A medical oncologist may be consulted to discuss recommendations for chemotherapy before or after surgery and sometimes a radiation oncologist will give radiotherapy to the area. Since the types of treatment can include surgery, radiation, chemotherapy, or a combination of these, it is often important to be treated by a multidisciplinary team, particularly in the case of rectal cancers.
Mayo Clinic: Colon Cancer
https://www.mayoclinic.org/diseases-conditions/colon-cancer/symptoms-causes/syc-20353669NCI: Colorectal Cancers, Patient Version
https://www.cancer.gov/types/colorectalColorectal Alliance:What is Colorectal Cancer
https://www.ccalliance.org/colorectal-cancer-information/what-is-colorectal-cancerThis symptom checker site is a great resource to either get an idea of what is happening inside your body or even get a second opinion without incurring another huge bill. It also provides a way to connect with a professional if needed. I really enjoy this site.
Aug 30, 2024 (Female, 40s)
Reviewed By:
Robin Schoenthaler, MD (Oncology)
Board certified radiation oncologist with over 30 years experience treating cancer patients. Senior physician advisor for expert medical options in adult oncology. Published award-winning essayist on medical and health issues and more.
Aiko Yoshioka, MD (Gastroenterology)
Dr. Yoshioka graduated from the Niigata University School of Medicine. He worked as a gastroenterologist at Saiseikai Niigata Hospital and Niigata University Medical & Dental Hospital before serving as the Deputy Chief of Gastroenterology at Tsubame Rosai Hospital and Nagaoka Red Cross Hospital. Dr. Yoshioka joined Saitama Saiseikai Kawaguchi General Hospital as Chief of Gastroenterology in April 2018.
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