Intestinal bleeding - the most common symptom of colon cancer. It should be noted that while it is not the most typical for him, as it happens in other diseases! For colon cancer is usually characterized by blood mixed with feces and mucus. If the tumor is noted in the right half of the colon, ie, in the early parts of it, visually it can not be determined (only in the analysis of fecal occult blood), so in the long course of cancer patients with anemia appears.
Another manifestation of colon cancer - a violation of the chair. Usually, cancer is characterized by constipation, which is caused by occlusion of the lumen of the bowel tumor. In this case such a condition is noted when the tumor has reached such proportions. In some cases, colon cancer is manifested acute intestinal obstruction.
In cancer of the distal colon (straight, sigmoid), patients may be concerned about a feeling of incomplete emptying of the bowel. In addition to these symptoms of colon cancer, in some cases it may be manifested only by the weakness, decreased appetite and weight loss.
Complications of colon cancer
Among the complications of colon cancer are the most common: