If colon cancer is causing your stools to be pencil thin, this doesn’t mean that the stools cannot return to normal.

So if you’ve been noticing pencil thin stools and fearing colon cancer, do NOT feel reassured if this appearance at some point returns to what is normal for your bowel movements.

This returning back to normal does not rule out cancer of the colon.

The return back to normal-appearing bowel movements would simply be due to the tumor shifting position.

“Narrow stools can result from a very low rectal cancer or an anal cancer that is partially blocking the exit of bowel movement,” says gastroenterologist Sander R. Binderow, MD, FACS, FASCRS, with Northside Hospital in Georgia.

He continues, “Stool size, however, is a very non-specific finding and does NOT confirm or refute the presence of a colon cancer.

“Most stool size and consistency is due to the environment (diet, amount of liquids, stress, etc.) and not due to colon disease.”

This is why narrow, pencil thin stools have numerous causes other than colon cancer.

Dr. Binderow explains, “Patients with diarrhea disorders, such as Crohn’s or ulcerative colitis, tend to have a thinner, looser stool.

“The inflamed colon cannot absorb water as well, nor gently distend to store stool.  It comes out quicker and with less form.”

So what should you do if your BMs have become as narrow as a pencil?

There is a home screening test that you can take for colon cancer.

It doesn’t diagnose this disease, but it uses the latest in DNA technology to detect abnormal cells.

The test is called Cologuard.

If the sample that you take from home is determined to contain abnormal cells, then a colonoscopy would be recommended.

dr. binderow

Dr. Binderow performs minimally invasive, robotic and laparoscopic surgery for Crohn’s disease, ulcerative colitis, colon cancer and other colorectal conditions. Adept at routine procedures, he also sees patients with complex, atypical maladies.
Lorra Garrick has been covering medical, fitness and cybersecurity topics for many years, having written thousands of articles for print magazines and websites, including as a ghostwriter. She’s also a former ACE-certified personal trainer. 

 

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Top image: Shutterstock/dizain