This occurs when abnormal cells grow in the colon or rectum.
These cells grow together and form tumors.
With 655,000 deaths worldwide per year, is the third most common cancer and the second leading cause of cancer death in the Western world.
When detected early, so it is easy to treat and often cured.
But generally not detected in time and that is why it is so high on the list.
Pretty simple screening tests can prevent this disease, but less than half of people over 50 are selected.
The symptoms are usually vague, such...