Changes in Stool: Should You Worry About Colon Cancer? - Surgery

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Stool may vary in shape, being sometimes flat, sometimes thin, and sometimes thick?


Doctor, I am a 36-year-old female.
Due to my job, I have been sitting for long periods.
I do not smoke and rarely drink alcohol.
Recently, I have noticed that my stools vary in shape, sometimes flat, sometimes thin, and sometimes normal, and this has persisted for several months.
However, there has been no blood or pain.
Each time I have a bowel movement, I feel a swelling sensation in my rectum, and it seems like I haven't fully evacuated, leading to a constant urge to defecate.
I often find myself sitting on the toilet, passing gas repeatedly.
Am I at risk for colorectal cancer?

Di Di Da Da, 30~39 year old female. Ask Date: 2018/12/03

Dr. Yu Mingchang reply Surgery


Hello; Eating more fruits and vegetables is beneficial.
Please take some time to check the colorectal department at Changhua Hospital, Ministry of Health and Welfare, as they care about your health.

Reply Date: 2018/12/03

More Info


When it comes to changes in bowel habits, particularly in the context of your concerns about colon cancer, it's important to approach the situation with a balanced perspective. At 36 years old, you are relatively young for a typical colon cancer diagnosis, which generally occurs more frequently in individuals over the age of 50. However, it is crucial to remain vigilant about any changes in your body, especially if they persist over time.

The symptoms you describe—alternating stool consistency (thin, flat, or normal), a feeling of incomplete evacuation, and a sensation of swelling in the rectal area—can be concerning. While these symptoms can be associated with colorectal cancer, they are not definitive indicators of the disease. In fact, they can also be attributed to a variety of other conditions, such as irritable bowel syndrome (IBS), hemorrhoids, or even dietary changes.


Understanding Your Symptoms
1. Stool Consistency: The shape and consistency of your stool can be influenced by various factors, including diet, hydration, and gut health. Flat or thin stools can sometimes indicate a narrowing of the colon, which may be caused by a mass or other obstruction. However, this is not the only explanation, and many benign conditions can cause similar changes.

2. Feeling of Incomplete Evacuation: This sensation can be linked to several issues, including rectal dysfunction, pelvic floor disorders, or even anxiety. It is not uncommon for individuals to feel as though they have not fully emptied their bowels, especially if they are experiencing stress or changes in their routine.

3. No Blood or Pain: The absence of blood in your stool and pain during bowel movements is a positive sign. Blood in the stool can be a more alarming symptom and is often associated with more serious conditions, including cancer. Pain can also indicate other issues, such as anal fissures or hemorrhoids.


When to Seek Medical Attention
Given that your symptoms have persisted for several months, it is advisable to consult a healthcare professional. A thorough evaluation, including a detailed medical history, physical examination, and possibly diagnostic tests such as a colonoscopy, may be warranted. A colonoscopy is particularly useful for visualizing the interior of the colon and rectum, allowing for the identification of any abnormalities, including polyps or tumors.


Risk Factors for Colon Cancer
While your age and lifestyle factors (such as not smoking and limited alcohol consumption) are generally protective against colon cancer, other risk factors should be considered. These include:
- Family history of colorectal cancer or polyps
- Personal history of inflammatory bowel disease (IBD)
- Certain genetic syndromes (e.g., Lynch syndrome, familial adenomatous polyposis)

Conclusion
In summary, while your symptoms warrant further investigation, they do not automatically indicate colon cancer. It is essential to consult with a healthcare provider who can assess your symptoms in the context of your overall health and family history. Early detection and intervention are key in managing any potential issues, so do not hesitate to seek medical advice. Remember, many gastrointestinal symptoms can be benign, and a healthcare professional can help clarify your concerns and guide you through the necessary steps for diagnosis and treatment.

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