Colon Cancer (Colorectal Cancer)
Probably, you want to know what cancer is. What is cancer of the colon and rectum? What are the causes of colon cancer? What are the symptoms of colon cancer? What tests can be done to detect colon cancer? How can colon cancer be prevented? What are the treatments and survival for colon cancer?
There are uncountable number of questions and doubts among us. Here, we may give you some ideas about colon cancer.
What is cancer?
100s of different diseases are considered as cancer. Cancer occurs when cells become abnormal and divide without control or order. Like all other organs of the body, the colon and rectum are made up of many types of cells.
If cells keep dividing when new cells are not needed, a mass of tissue forms. This mass of extra tissue, called a growth or tumor, can be benign or malignant.
Benign tumors are not cancer. They can usually be removed and, in most cases, they do not come back. Most important, cells from benign tumors do not spread to other parts of the body. Benign tumors are rarely a threat to life.
Malignant tumors are cancer. Cancer cells can invade and damage tissues and organs near the tumor. Also, cancer cells can break away from a malignant tumor and enter the bloodstream or lymphatic system. This is how cancer spreads from the original (primary) tumor to form new tumors in other parts of the body. The spread of cancer is called metastasis.
When cancer spreads to another part of the body, the new tumor has the same kind of abnormal cells and the same name as the primary tumor. For example, if colon cancer spreads to the liver, the cancer cells in the liver are colon cancer cells. The disease is metastatic colon cancer or liver cancer.
What is cancer of the colon and rectum?
The colon is the part of the digestive system where the waste material is stored. The rectum is the end of the colon adjacent to the anus. Together, they form a long, muscular tube called the large intestine (also known as the large bowel). Tumors of the colon and rectum are growths arising from the inner wall of the large intestine. Benign tumors of the large intestine are called polyps. Malignant tumors of the large intestine are called cancers. Benign polyps do not invade nearby tissue or spread to other parts of the body. Benign polyps can be easily removed during colonoscopy, and are not life threatening. If benign polyps are not removed from the large intestine, they can become malignant (cancerous) over time. Most of the cancers of the large intestine are believed to have developed from polyps. Cancer of the colon and rectum (also referred to as colorectal cancer) can invade and damage adjacent tissues and organs. Cancer cells can also break away and spread to other parts of the body (such as liver and lung) where new tumors form. The spread of colon cancer to distant organs is called metastasis of the colon cancer. Once metastasis has occurred in colorectal cancer, a complete cure of the cancer is unlikely.
Cancer of the colon and rectum is one of leading cause of cancer. People in oriental countries suffer less from cancer of the colon and rectum. In European countries where the people eat more meat diets indicate more cancer of the colon and rectum. We do not know the reason for it. Further research is needed.
Junji Takano is a Japanese health researcher involved in investigating the cause of many dreadful diseases. In 1968, he invented PYRO-ENERGEN, the first and only electrostatic therapy machine that effectively eradicates viral diseases, cancer, and diseases of unknown cause.
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