3. Most Common Cancer Type Colon Cancer

Colon cancer ranks third among all cancers in our country.

The large intestine is approximately 1.5 meters long and forms the part of the digestive system that comes after the small intestines. The last 20 cm of the large intestine is called the rectum and ends with the anus in the rectum.

After the food is digested in the stomach and small intestines, they come to the large intestines. All nutrients useful for the body are absorbed in the stomach, duodenum and small intestines, while more water is absorbed in the large intestine. Thus, the food taken becomes stool in the large intestines and is thrown out of the anus.

As it is known, cancer is the uncontrolled abnormal proliferation of cells that cannot be stopped. Colon cancer develops from the mucosa that covers the inner surface of the intestine.


* Although colon cancer can be seen at any age, more than 70-80 percent of it is seen after the age of 50.

* If there is a family history of colon cancer, the risk of developing it at an early age increases even more.

* Not being physically active

* A diet rich in animal fat and poor in fiber foods,

* Having polyps in the large intestine of the person,

* Having inflammatory bowel disease (such as ulcerative colitis, Crohn’s disease) and having large intestinal polyps in the person’s family.


Polyp can occur in any organ in the body with mucous membranes, as well as from the inner mucosa of the large intestine. It is in the form of fleshy spots and is widely attached to the mucosa from which it originates, with or without a stalk. Although polyps can be seen in any part of the large intestine, they are most commonly seen on the left side of the intestine, called the descending part. They are seen in 25 percent around the age of 50 and again 25 percent of these are high risk. In other words, they have a high risk of developing into cancer. Since 90 percent of bowel cancers are caused by these polyps, it is important to detect, remove and follow-up these polyps.


-Changes in defecation habits,

– Frequent diarrhea or constipation

– Feeling of incomplete emptying of the intestines, bloating and gas complaints,

-Blood in stool

– Thinning of stool diameter,

– Unexplained weight loss

-Nausea, vomiting,

– Prolonged fatigue.


Imaging of the intestinal tract is important in diagnosis. Searching for occult blood in stool after the age of 40 is an important method in the early diagnosis of bowel cancer. In these patients, all parts of the large intestine are followed up to the small intestine by entering through the anus with a light system called colonoscopy. If any polyp or abnormal tissue is encountered, if possible, the entire polyp is removed and sent to pathology, and the patient is definitely followed up.


– Stool occult blood test,

– Those with a family history of colon cancer should have a colonoscopy after the age of 40, and those who have no complaints after the age of 50,

It is important for those who are found to have polyps in the large intestine to have periodic colonoscopy with 1-3 year intervals, if necessary, according to the expert’s recommendation. This cancer, which originates from the inner mucosa of the large intestine, may present itself with intestinal obstruction when not diagnosed early and may result in death if timely surgical intervention is not performed.


The treatment of bowel cancer is surgery. Surgical removal of the cancerous part is the basis of surgery. And let’s not forget, dear readers, that life does not forgive those who are late. Wishes make people miserable. The greater the danger, the greater the wish. Let’s all leave the darkness, the fear, the regret in the past and run towards the light beyond the gate. And let’s know that there is nothing more than health… Pay attention to mask, distance and hygiene.

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