Colorectal cancer can show a variety of symptoms. In case of occurrence of the following symptoms should be suspected colorectal cancer.

  • Change in bowel habits,
  • Have diarrhea or constipation,
  • as a black discoloration of infected blood in the stool or feces tar,
  • diameter thinning of the stool,
  • General gastrointestinal symptoms (gas, bloating, pain or cramps)
  • Frequent gas pains,
  • not look like you did not completely empty stool at the end of the intestine,
  • Unknown cause weight loss,
  • Prolonged weakness.

These symptoms ulcer, intestinal inflammation, may also be other reasons, such as hemorrhoids. Your doctor will decide which specifies the reason. you should contact your doctor immediately if any of these symptoms. Your doctor may send you to another doctor specializing in this subject because these symptoms (such as gastroenterologists).


Your doctor to find the cause of the above findings will be asked a series of questions about you and your family will make a detailed examination and some tests will be like. In addition to the previously mentioned tests, your doctor may ask the following additional tests.

Displaying the intestinal tract: withdrawal transaction is after administration of X-rays by means of a solution containing the patient’s rectum barium (barium enema). The doctor can check whether barium colon and rectum allows the tumor or other abnormality recognition. Sometimes the doctor may need to expand in order to see a small bowel tumor. Therefore, air may be introduced into the intestine through the test carefully. This process “double-contrast barium film” is called.

Colonoscopy: Yet to examine the entire colon using a lighted tube. This process is the same as the flexible sigmoidoscopy but this time a luminous tube is longer.

If your doctor detects a polyp or abnormal growth can help it sigmoidoscopy or colonoscopy. Taken by sending this part of the pathology that allows the doctor to examine the part of the investigation of the cancer cell. The name of this process “taking biopsy” is. Most of the benign polyps (benign) d. But the only way to determine this is to take a biopsy. If the pathologist (pathologist) If cancer is detected, the patient’s doctor to stage this cancer, the size and want to know the extent. The staging process, cancer that has spread to other tissues and other organs help the doctor about the affect. How will the decision of the treatment is given based on these findings.

Staging of colorectal cancer is mostly due to the spread of X-rays lungs and liver, and is made by ultrasonography and computed tomography scanning of these organs. Your doctor may require additional blood tests to determine the liver function, as well as CEA (carcinoma embryogenic antigen) test may be requested. This test particularly where the spread of disease, colorectal cancer can be found in greater quantities in normal human blood.