Colorectal cancer does not occur overnight. First, polyps appear in the lower six inches of the colon ( the rectum ). These polyps are precancerous growths that appear as bumps or abscesses. Sometimes they’re benign, but other times they mutate into cancer, which begins working its way thru the rectal wall, into surrounding lymph nodes and into other organ tissue, wreaking all sorts of havoc. While living a healthy lifestyle helps prevent cancer in general, the sole way to effectively combat colon cancer is to get screened constantly after fifty years of age.
The actual cause of cancer of the rectum has not been pinpointed, [click to continue…]
Symptoms of colorectal cancer 
Colorectal cancer is usually unnoticed in its early stages of growth. The following symptoms may indicate cancer colorectal.
* Changes in fecal habits alternating between constipation and diarrhea.
* Blood in the stool.
* A permanent discomfort in the stomach: cramps, gas or pain.
* The feeling that the bowel does not empty completely or having constant desire to defecate.
* A large fatigue.
* An unexplained weight loss.
Note. The presence of blood in the stool may be another explanation, such as hemorrhoids or anal fissure. In addition, some foods can color the stool. This is the case of beets and red licorice.
People at risk
* Age. The disease mainly affects people over 50 years (90% of cases). [click to continue…]
Colorectal cancer: what is it?
Colorectal cancer ranks third in the most common cancers , especially among men than among women. A man of 14 and 16 women are likely to have colorectal cancer in their lifetime.As its name suggests, this type of cancer evelops in the colon or rectum, the last part of the large intestine.
Colorectal cancer is much more common in industrialized countries. Lifestyle, especially diet, play a role in its onset. This explains, for example, that the Japanese, little affected by colorectal cancer in Japan, becoming as much as their fellow Americans a few years after having emigrated to the United States and adopted their diet.
Some people can contract due to a hereditary predisposition. But in 75% of cases, no such predisposition is present.
Evolution
Colorectal cancer takes several years to form, as the majority of cancers. He usually does from polyps in the lining of the large intestine. The polyps are small fleshy growths.
There are several kinds. Most often they are mild. However, we know that some may become cancerous. It takes on average 10 years for a polyp to form a cancerous tumor. [click to continue…]