Bowel cancer, also known as colorectal cancer, is a prevalent form of cancer that affects the large intestine. Early detection of this disease is crucial as it significantly improves treatment outcomes. In this article, we will discuss Bowel Cancer Stomach Noises and its implications and highlight when it is essential to seek medical advice.

What are Stomach Noises?

Stomach and bowel noises, scientifically referred to as borborygmi, are common sounds produced by the movement of gas and fluids through the intestines. These noises are a normal part of the digestive process.

The two main types of stomach noises are gurgling and rumbling. Gurgling noises are typically caused by the movement of liquids and gas in the intestines, while rumbling often occurs when the stomach is empty, signaling hunger.

What is Bowel Cancer?

Bowel cancer refers to cancer that begins in the large intestine, encompassing both colon cancer and rectal cancer. This type of cancer develops from the inner lining of the bowel and is often preceded by growths called polyps, which can become cancerous over time.

Several risk factors are associated with bowel cancer, including age (most common in people over 50), a family history of bowel cancer, a diet high in red or processed meats, smoking, heavy alcohol use, and certain inherited genetic conditions.

Symptoms of Bowel Cancer

1. Persistent Changes in Bowel Habits

Frequent diarrhea, constipation, or alternating between the two may indicate bowel cancer. These changes are often accompanied by a feeling of not being able to empty the bowels.

2. Blood in the Stool

A common symptom is the presence of bright red or very dark blood in the stool. This can be due to bleeding from cancerous growth in the bowel.

3. Unexplained Weight Loss

Significant weight loss without a clear reason can be a sign of bowel cancer. The cancer can affect the body’s ability to absorb nutrients, leading to weight loss.

4. Abdominal Pain and Discomfort

Persistent pain, cramps, or discomfort in the abdomen may be a sign of bowel cancer. This pain can result from the tumor causing blockages or pressing on other organs.

5. Fatigue and Weakness

Chronic fatigue and weakness, not relieved by rest, can occur due to anemia from blood loss in the stool. This is often one of the earliest symptoms but can be easily overlooked.

6. Narrow or Thin Stools

A noticeable change in the shape of stools, particularly if they become narrower, can indicate a blockage caused by a tumor. This is often described as pencil-thin stools.

7. A Feeling of Incomplete Evacuation

A persistent sensation that the bowels are not empty after a bowel movement can be a symptom. This can cause frequent trips to the bathroom and discomfort.

8. Unexplained Anemia

Iron deficiency anemia, characterized by low red blood cell counts, can be a sign of bowel cancer. This condition often leads to pale skin, shortness of breath, and dizziness.

Is Stomach Noise a Sign of Bowel Cancer?

While stomach noises are typically harmless and normal, persistent or unusual sounds accompanied by other symptoms might indicate an underlying issue like bowel cancer. Bowel cancer can affect the intestines’ movement and function, causing abnormal sounds. Tumors may obstruct the intestines, leading to louder or more frequent noises.

Diagnosis of Bowel Cancer

1. Medical History and Physical Examination

A doctor will take a detailed medical history and perform a physical examination to identify symptoms and risk factors. This initial step helps guide further diagnostic testing.

2. Fecal Occult Blood Test (FOBT)

This test checks for hidden blood in the stool, which can be an early sign of bowel cancer. It involves providing a stool sample that is tested for traces of blood not visible to the naked eye.

3. Colonoscopy

A colonoscopy involves inserting a long, flexible tube with a camera into the rectum to inspect the entire colon. It allows for direct visualization of the colon and the ability to take biopsies of suspicious areas.

4. Sigmoidoscopy

Similar to a colonoscopy, a sigmoidoscopy uses a shorter tube to examine the rectum and lower part of the colon. This procedure is less invasive and often used when symptoms are suspected to be in the lower colon.

5. Imaging Tests

CT scans, MRI, and PET scans provide detailed images of the colon and surrounding organs. These imaging tests help identify the location, size, and spread of the cancer.

6. Biopsy

A biopsy involves taking a small tissue sample from the suspected cancerous area during a colonoscopy or surgery. The tissue is then examined under a microscope to confirm the presence of cancer cells.

7. Blood Tests

Blood tests, including tests for tumor markers like carcinoembryonic antigen (CEA), can provide additional information about the presence and extent of cancer. They also help assess overall health and organ function.

8. Staging

If cancer is confirmed, staging is performed to determine the extent of its spread. This involves a combination of imaging tests and sometimes additional surgical procedures to assess the involvement of nearby lymph nodes and other organs.

Integrative Treatment for Bowel Cancer

Treatment for bowel cancer often involves a multidisciplinary approach, combining conventional medical treatments with complementary therapies. Standard treatments include surgery to remove the tumor, chemotherapy, and radiation therapy.

Complementary therapies such as acupuncture, massage, and herbal medicine can also play a role in supporting overall well-being during treatment.

A comprehensive treatment plan should involve a team of healthcare professionals, including oncologists, surgeons, dietitians, and psychologists, to provide holistic care and support.

Connection Between Bowel Cancer and Stomach Noises

Bowel cancer can lead to partial or complete intestinal blockages, which can cause changes in the typical sounds produced during digestion. This can result in louder or more frequent stomach noises.

Be alert to symptoms such as persistent stomach noises combined with abdominal pain, changes in bowel habits, or blood in the stool. Consult a healthcare professional if these symptoms occur.

Other Causes of Stomach Noises

Stomach noises can also be caused by non-cancerous conditions like irritable bowel syndrome (IBS), indigestion, food intolerances, or simply the natural process of digestion. It’s important to differentiate these benign causes from potential symptoms of bowel cancer.

When to See a Doctor?

It is essential to see a doctor if you experience persistent or concerning symptoms, such as continuous changes in bowel habits, bowel leakage, or abdominal pain, to rule out serious conditions like bowel cancer.

Diagnostic tests for bowel cancer include fecal tests, colonoscopy, and imaging studies. These tests help detect and confirm the presence of cancer or other gastrointestinal conditions.

Treatment and Management for Bowel Cancer Stomach Noises

1. Surgery

Surgery is often the primary treatment for bowel cancer. It involves removing the cancerous tumor and nearby healthy tissue. The extent of surgery depends on the size and location of the tumor. In some cases, minimally invasive techniques such as laparoscopic surgery may be used to reduce recovery time.

2. Chemotherapy

Chemotherapy uses drugs to destroy cancer cells or stop them from growing. It may be given before surgery (neoadjuvant chemotherapy) to shrink the tumor or after surgery (adjuvant chemotherapy) to kill any remaining cancer cells. Chemotherapy can also be used to control symptoms in advanced cases where surgery is not possible.

3. Radiation Therapy

Radiation therapy uses high-energy rays or particles to destroy cancer cells. It is often used in combination with surgery and chemotherapy to treat rectal cancer or to relieve symptoms in cases where surgery is not an option. Techniques such as intensity-modulated radiation therapy (IMRT) help target the cancer while minimizing damage to surrounding healthy tissue.

4. Targeted Therapy

Targeted therapy drugs target specific molecules or pathways involved in the growth and spread of cancer cells. These treatments are designed to interfere with specific abnormalities that allow cancer cells to grow and survive. Targeted therapies are often used in combination with other treatments and may be prescribed based on the results of molecular testing of the tumor.

5. Supportive Care

Supportive care focuses on managing symptoms, improving quality of life, and providing emotional support throughout treatment. This may include pain management, nutritional support, and counseling. Palliative care specialists may also be involved in helping manage symptoms and providing support for patients and their families, particularly in the advanced stages of the disease.

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Understanding the relationship between bowel cancer and stomach noises is essential for early detection and effective treatment. If you experience persistent or unusual symptoms, consult a healthcare professional promptly. Early intervention can make a significant difference in outcomes for those affected by bowel cancer.

By recognizing the signs and symptoms of bowel cancer and understanding the potential implications of stomach noises, individuals can take proactive steps toward maintaining their health and well-being.


Does colon cancer cause stomach gurgling? 

Stomach gurgling is generally not a direct symptom of colon cancer. It’s more commonly associated with benign conditions like indigestion or IBS. However, cancer-related symptoms like abdominal pain or changes in bowel habits may indirectly affect digestive sounds.

What are the symptoms of late-stage bowel cancer? 

Late-stage bowel cancer symptoms can include severe abdominal pain, significant weight loss, bowel obstruction, rectal bleeding, and fatigue. These symptoms often indicate the cancer has spread beyond the colon.

How long can you live with bowel cancer without knowing?

The prognosis varies widely depending on factors like the stage of cancer at diagnosis and individual health. Early-stage bowel cancer may not cause noticeable symptoms for years, while late-stage cancer can progress more rapidly without treatment.

What kind of change in bowel habits indicates cancer?

Persistent changes such as diarrhea, constipation, narrower stools (pencil-thin), or a feeling of incomplete emptying can indicate bowel cancer. It’s important to see a doctor if these changes persist for more than a few weeks.


  • Madhavi Parikh

    As a Physician Associate/Assistant and cancer coach, I have spent over 20 years caring for and helping cancer patients recover from an illness that dominates and defines their lives.

    View all posts

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