often malignancies detected too late.This is due to the fact that no symptoms or insignificant so that they do not take into account.What you need to know to not view colorectal cancer.
Colorectal Cancer: Symptoms
In the early stages of colorectal cancer any symptoms are usually absent.Usually they appear much later, when the treatment is very difficult.
Among the major symptoms emit:
- abdominal pain;
- dark stools, or blood in the stool;
- change in bowel rhythm - more frequent stools or constipation;
- unexplained weight loss.
also the manifestation of symptoms depends on the location of the tumor in the bowel.
- blind and ascending colon - the first and second divisions of the colon, located in the right abdomen.Cancer of the localization can bleed, causing the appearance of blood in the stool and anemia, against which there are fatigue and weakness.The amount of blood thus can be so small and so it is mixed with the feces, the chair will look normal.Often, cancer this area are asympt
- Transverse colon - a third of the large intestine passes into the abdomen horizontally: left to right.Cancer in this area can cause abdominal cramping.
- descending colon - the fourth, sigmoid colon - the fifth part of the colon.Located in the left abdomen and move into the rectum.Cancer located in this part of the intestine can lead to constipation and the appearance of red blood in the stool.Sometimes this blood is mistaken for blood from hemorrhoids.
But if the disease were found in any of these symptoms, it does not mean that a person has cancer.The reason may be a number of other diseases:
- irritable bowel syndrome - indigestion manifested by abdominal pain, cramps, bloating, diarrhea or constipation;
- polyps - benign growths;
- diverticula - Bursiform education in the intestinal wall that can become infected and cause pain;
- infecting bacteria that cause diarrhea (eg, salmonella);
- inflammatory bowel disease, which can lead to bulging part of the colon or to ulcers in the intestine (e.g., Crohn's disease and ulcerative colitis);
- bleeding hemorrhoids;
- ulceration of the rectum.