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Doctor insights on: Colon Cancer Narrowing Of Stool

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Chance that 4 CT scans over 2 1/2 years would all miss sympotomatic colon cancer (narrow stool, occasion blood), also sigmoidscope to 35 cm.

Chance that 4 CT scans over 2 1/2 years would all miss sympotomatic colon cancer (narrow stool, occasion blood), also sigmoidscope to 35 cm.

Fairly high risk: CT scans are NOT good tools for looking inside the bowel. Endoscopy is the preferred tool, but a sigmoidoscopy, at its best, misses looking at half the colon. A look to merely 35 cm has missed about 85-90% of the colon. The usual method to evaluate the colon is a complete colonoscopy. ...Read more

Dr. Barry Rosen
4,214 doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


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Chance 4 ab / pelvic CT scans all missed symptomatic colon cancer (narrow stools, occaision blood) over three years. Also had sigmoidosopy to 35cm?

Chance 4 ab / pelvic  CT scans all missed symptomatic colon cancer (narrow stools, occaision blood) over three years. Also had sigmoidosopy to 35cm?

Hematochexia: Negative sigmoidoscopy and CT sacn of pelvis and Abdomen. May need a full colonoscopy doubt colon cancer for 3 years without significant progression. Other cause like IBD more likely ...Read more

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Is it possible for a woman in her mid 30s to develope colon cancer? Constipation, narrow stool alternating with diarrhea and pain for 4 weeks.

Is it possible for a woman in her mid 30s to develope colon cancer? Constipation, narrow stool alternating with diarrhea and pain for 4 weeks.

Yes, but unlikely: With the changes in your stool and symptoms, it would be very important to get in and be evaluated. It sounds like you need a colonoscopy and stool studies. while waiting for your appointment, you can get a a whole food diet, increase your fiber and take a good probiotic. also make sure you are hydrating well. Make sure you get in - getting your gut healthy again will make you feel much better ...Read more

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Do narrow stools always indicate colon cancer?

No: More commonly due to spasm in lower colon. However, sudden change in stool caliber, "pencil thin" stools, cramps, bleeding, nausea, weight loss need evaluation. Ongoing symptoms need evaluation. At the least, this should involve a doctor visit, perhaps other tests. ...Read more

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If 'pencil' stool and 'narrow' stool are signs of colon cancer but exactly how thin of the stool consider as pencil stool or narrow ?

If 'pencil' stool and 'narrow' stool are signs of colon cancer but exactly how thin of the stool consider as pencil stool or narrow ?

Any change.: Any change in stool caliber warrants investigation. If one's stool has changed in size (narrow), to any degree, a colonoscopy is warranted. This could be an early sign of colon caner. ...Read more

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23 .F No cancer history. Since 2 days inconsistency in BM. I go once a day but find hard to release. Lil narrow stools. Got gas.no blood Colon cancer?

23 .F No cancer history. Since 2 days inconsistency in BM. I go once a day but find hard to release. Lil narrow stools. Got gas.no blood Colon cancer?

Unlikely: A diagnosis of cancer of the intestines at 23 yr of age is very unusual. If you are constipated and there is larger piece of stool blocking passage of stool, this may cause thinner stools. Try to have more fiber in your diet and stay hydrated. ...Read more

Dr. Eric Kaplan
921 doctors shared insights

Colon Cancer (Definition)

Final few yards of your intestine, between the terminal ileum (small bowell) and rectum. It squeezes water and solidifies waste to stool. It is subject to outpouching (divertics) polyps, and these can become cancers. The cells are abnormal, invade into the muscle and travel ...Read more


Dr. William Singer
1 doctor shared a insight

Colon (Definition)

The colon is another term for the large intestine. This is the final portion of the digestive system, responsible for absorbing water and storing stool before evacuation. It is divided into sections described as cecum; ascending, transverse, descending and ...Read more