Fluctuating Bowel Symptoms: Could It Be a Tumor? - Gastroenterology and Hepatology

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If there is a growth in the intestines, can it cause symptoms that fluctuate between good and bad?


The stool is predominantly a clay yellow or dark brown color, often presenting as a very thick and large first piece, followed by unformed, scattered pieces.
Sometimes, all the stool is large, and other times, it is entirely scattered.
There has been no significant weight loss, and my weight has remained relatively stable each year.
Last month, I experienced a bowel movement that required significant straining, and afterward, I noticed light red blood on the toilet paper, but it hasn't occurred since.
Occasionally, I feel like I haven't completely emptied my bowels, while at other times, I feel completely relieved after a bowel movement.
I would like to ask if having growths or tumors in the intestines could cause these alternating symptoms?

As, 30~39 year old female. Ask Date: 2017/02/26

Dr. Chen Qifeng reply Gastroenterology and Hepatology


In principle, if there are symptoms of a malignant tumor, they will generally worsen rather than fluctuate.
As for the presence of blood in the stool, it is likely due to hemorrhoids or anal fissures.
If there is a recurrence, please consult a colorectal surgeon.

Reply Date: 2017/02/26

More Info


Based on your description, it seems you are experiencing a variety of bowel symptoms that can be concerning. However, it is important to understand that fluctuating bowel symptoms can arise from several benign conditions, and not necessarily indicate the presence of a tumor or cancer.

Firstly, the fact that your stool color is predominantly yellow or dark brown and that you experience variations in stool consistency (from large, formed stools to softer, unformed ones) suggests that your bowel habits may be influenced by dietary factors, hydration levels, and possibly stress. A diet low in fiber can lead to constipation, while a sudden increase in fiber or changes in diet can result in looser stools. It’s also worth noting that the presence of mucus in your stool, as you described, can be a normal occurrence, especially if your bowel is irritated or inflamed.

The occasional presence of blood in your stool, particularly if it is bright red and associated with straining during bowel movements, may indicate hemorrhoids or anal fissures rather than a tumor. These conditions are common and can cause discomfort and bleeding, especially if you have a history of constipation or straining during bowel movements. It is crucial to monitor this symptom; if it persists or worsens, you should seek medical attention.

Regarding your concern about whether a tumor could cause symptoms that fluctuate, it is important to note that tumors typically present with more consistent symptoms. For instance, a tumor might cause a gradual change in bowel habits, persistent abdominal pain, weight loss, or blood in the stool. Fluctuating symptoms, especially if they improve with dietary changes or lifestyle modifications, are less likely to be caused by a tumor.

If you are experiencing feelings of incomplete evacuation or discomfort after bowel movements, this could be related to functional bowel disorders such as Irritable Bowel Syndrome (IBS). IBS is characterized by abdominal pain and changes in bowel habits, including diarrhea and constipation, and is often triggered by stress, diet, and lifestyle factors.

To address your symptoms, consider the following recommendations:
1. Dietary Adjustments: Increase your fiber intake gradually through fruits, vegetables, and whole grains. This can help regulate your bowel movements and improve stool consistency. Ensure you are also drinking enough water to aid digestion.

2. Regular Exercise: Physical activity can promote regular bowel movements and improve overall digestive health.

3. Stress Management: Stress can significantly impact your digestive system. Consider incorporating relaxation techniques such as yoga, meditation, or deep-breathing exercises into your routine.

4. Monitor Symptoms: Keep a diary of your bowel habits, diet, and any associated symptoms. This can help identify patterns and triggers.

5. Consult a Healthcare Provider: If your symptoms persist, worsen, or if you notice any alarming signs (such as significant weight loss, persistent blood in the stool, or severe abdominal pain), it is essential to consult a healthcare provider. They may recommend further evaluation, such as a colonoscopy, to rule out any serious conditions.

In conclusion, while your symptoms may be concerning, they are more likely related to functional bowel issues rather than a tumor, especially given your age and the nature of the symptoms. However, it is always best to err on the side of caution and consult with a healthcare professional for a thorough evaluation and personalized advice.

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