Symptoms• Diarrhea or constipation
• Changes in stool consistency
• loose, narrow stools
• Blood in the stool, which may or may not be visible
• Abdominal pain, cramping, bloating, or gas
• Continual urges to defecate despite passing stools
• Weakness and fatigue
• Unexplained weight loss
• Irritable bowel syndrome
• Iron deficiency anemia
CausesUsually, cells follow an orderly process of growth, division, and death. However, cancer develops when cells grow and divide uncontrollably, and when they do not die at the normal point in their life cycle.
Most cases of colon cancer originate from noncancerous tumors called adenomatous polyps. These form on the inner walls of the large intestine.
Cancerous cells may spread from malignant tumors to other parts of the body through the blood and lymph systems.
These cancer cells can grow and invade healthy tissue nearby and throughout the body in a process called metastasis. The result is a more serious, less treatable condition.
More about Treatment
The colon, or large intestine, is where the body draws out water and salt from solid wastes. The waste then moves through the rectum and exits the body through the anus. Colon cancer is also the third most common cause of cancer-related death in the U.S. In fact, in 2019, the American Cancer Society (ACS) predict that 101,420 people in the U.S. will receive a new diagnosis of colon cancer. Healthcare professionals recommend attending regular screenings for colon cancer from the age of 50 years. Colorectal cancer, which describes co-occurring colon cancer and rectal cancer, is also common. Rectal cancer originates in the rectum, which is the final several inches of the large intestine, closest to the anus.
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