Bowel Issues: Could It Be Colon Cancer?

Irregular bowel movements with occasional diarrhea and blood in the stool?

I previously visited a gastroenterologist due to upper abdominal pain, and the doctor diagnosed me with chronic gastritis.
Later, I experienced occasional dull abdominal pain and irregular bowel movements, which improved slightly with increased fruit and vegetable intake.
However, in the past 3 to 4 months, my stools have sometimes been very bulky and at other times narrow.
Occasionally, I pass a long stool followed by diarrhea with soft, watery stools that contain mucus, and I noticed red blood spots in the mucus.
The next day, this issue does not occur.
At night, while lying down, I can hear sounds from my abdomen, similar to bowel sounds.
Sometimes my bowel movements are smooth, but other times I feel like I haven't completely emptied my bowels.
I haven't heard of any family history of colon cancer.
Could this indicate that I have colon cancer?

willy, 30~39 year old female. Ask Date: 2015/12/14

Dr. Ke Fangxu reply Surgery

It is difficult to determine if one has colorectal cancer solely based on presenting symptoms.
If you are truly concerned, you should ask your physician to arrange a colonoscopy.
Your symptoms appear to be related to gastrointestinal function issues.
It is advisable to pay attention to your dietary habits and lifestyle.
If the symptoms do not improve, consult your physician for further evaluation.

Reply Date: 2015/12/14

More Info

When it comes to bowel issues, particularly concerning symptoms that may suggest colon cancer, it is essential to approach the situation with a comprehensive understanding of the potential signs and underlying conditions. Based on your description, you have been experiencing a range of gastrointestinal symptoms, including changes in stool consistency, the presence of mucus, occasional blood spots, and feelings of incomplete evacuation. While these symptoms can be concerning, they do not automatically indicate colon cancer.

Firstly, it is important to note that colon cancer typically presents with a variety of symptoms, which can include changes in bowel habits (such as diarrhea or constipation), blood in the stool, unexplained weight loss, and persistent abdominal discomfort. However, many of these symptoms can also be attributed to less severe conditions, such as irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), or even dietary changes.

In your case, the intermittent nature of your symptoms, such as the alternating between hard and soft stools, the presence of mucus, and the occasional blood spots, could suggest a functional gastrointestinal disorder rather than a malignancy. Conditions like IBS can cause significant discomfort and changes in bowel habits, often exacerbated by stress or dietary factors. The fact that you have a history of chronic gastritis and have seen some improvement with dietary changes (increased fruit and vegetable intake) further supports the idea that your symptoms may be functional rather than indicative of cancer.

The presence of mucus in the stool is often a sign of irritation in the intestines and can be associated with conditions like IBS or infections. The occasional blood spots you mentioned could be due to hemorrhoids or anal fissures, particularly if you have experienced any straining during bowel movements. These conditions are common and can cause localized bleeding without indicating a serious underlying issue.

However, it is crucial to remain vigilant. The symptoms you describe warrant further evaluation, especially considering the presence of blood and the changes in stool consistency. While the absence of a family history of colon cancer is a positive factor, it does not eliminate the risk entirely. It is advisable to consult with a gastroenterologist for a thorough evaluation, which may include a colonoscopy. This procedure allows for direct visualization of the colon and can help rule out any serious conditions, including polyps or cancer.

In summary, while your symptoms are concerning and should not be ignored, they are not definitive indicators of colon cancer. Conditions like IBS, dietary intolerances, or even stress-related gastrointestinal issues could be contributing to your symptoms. A thorough evaluation by a healthcare professional is essential to determine the underlying cause and to establish an appropriate treatment plan. Maintaining a healthy diet, managing stress, and staying hydrated are also important steps in supporting your gastrointestinal health.

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