"Colon cancer and symptoms that signal you should see a doctor"

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"Colon cancer and symptoms that signal you should see a doctor"
Just hearing the word “cancer” is enough to make anyone anxious. One type of cancer that has been increasingly common is colorectal cancer, especially among people aged 50 and above. Colorectal cancer is considered a silent threat, as it often doesn’t show obvious symptoms. By the time patients find out, the cancer may have already progressed to an advanced stage. Having colorectal cancer not only affects physical health but also has emotional and quality of life implications for the patient.

There are two main types of colorectal cancer, which are categorized based on where they occur:
Colon Cancer: This type of cancer occurs in the colon, which is the main part of the digestive system responsible for absorbing water and nutrients. It often begins as small polyps on the intestinal wall that gradually grow and can become cancerous over time.
Rectal Cancer: This cancer occurs in the rectum, the final section of the large intestine responsible for storing waste before excretion. The way rectal cancer grows and spreads is different from colon cancer.

There are several factors that contribute to the development of colorectal cancer, and these are generally like factors for other types of cancer:

Family history: If a close family member like a parent, sibling, or relative has had colorectal cancer, there is a higher risk due to hereditary factors. Individuals with a history of chronic inflammatory bowel disease or gastrointestinal infections are also at risk.

Age: The average age for colorectal cancer onset is 50 and above, but in recent times, younger people are increasingly at risk of developing this disease.

Lifestyle habits: These include eating high–fat foods, low–fiber diets, frequent consumption of processed meats, environmental factors, lack of exercise, smoking, and excessive alcohol consumption.

Even though symptoms of colorectal cancer may not be clearly noticeable or immediate, if you experience any of the following signs, it is advisable to undergo a health check–up to determine whether these are symptoms of cancer or of other conditions like hemorrhoids, irritable bowel syndrome, or chronic inflammatory bowel disease.

7 warning signs that may indicate colorectal cancer:

  • Persistent diarrhea, constipation, bloating, or small, pellet–like stools for several days
  • Cramping or a dragging sensation in the lower abdomen for an extended time without a known cause
  • Blood in the stool or rectal bleeding
  • Unusual vomiting, such as vomiting multiple times within 24 hours
  • Unintentional and unexplained weight loss
  • Fatigue, weakness, or increasing tiredness
  • Shortness of breath that worsens over time


Even if you have only 1 to 2 of these symptoms or just one recurring symptom that lasts several days, you should consult a doctor as soon as possible for a thorough check–up, diagnosis, and treatment plan.


What type of abdominal pain may be a sign of colorectal cancer?

Frequent abdominal pain could also be a warning sign. If you often feel discomfort from eating carelessly or experience persistent bloating, especially if the pain intensifies, becomes chronic, and doesn’t go away even with over–the–counter painkillers, it is crucial to see a doctor promptly to get diagnosed and treated in time.


How is colorectal cancer diagnosed?

There are several methods:

Colonoscopy

This is considered the most accurate diagnostic tool. It involves inserting a scope into the colon to view the entire length of the large intestine and rectum directly. During this procedure, any polyps that may become cancerous can be removed, helping reduce the risk of developing cancer.


Precision Cancer Medicine (Gene–Level Cancer Screening) 

This method involves analyzing the patient’s genetics by drawing blood or taking a tissue sample, which is then cultured and examined in a lab. The results are compared against a centralized database to identify personal cancer risks and determine personalized treatment and medication options.

Iron deficiency anemia as a possible indicator

Iron deficiency is a major cause of anemia. Although anemia can be diagnosed in many ways, one method is to detect chronic gastrointestinal bleeding by testing blood in the stool and performing an endoscopy. This not only helps diagnose anemia but can also uncover potential colorectal cancer risks.

Cancer Screening Programs
Whether it’s a basic or advanced cancer screening program, this approach is very effective in preventing colorectal cancer. It involves screening for cancer causes in various organs, with tailored options for men and women. This allows early detection of cancer, even when no symptoms are present.

If you suspect that you or a family member may have symptoms or be at risk of colorectal cancer, you can come for a screening at the Great Life Center, building 1, 3rd Floor, Phyathai 1 Hospital. We are ready to provide consultation and cancer treatment with
a team of medical specialists. Our doctors will diagnose, assess, treat, and closely monitor each case to ensure the best outcomes and optimal patient care.

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