What is colorectal cancer?
A person with colorectal cancer has a growth of abnormal cells in the colon that multiply out of control. These cells can form tumors and spread to other parts of the body. Colorectal cancer is most common in people over 50 years of age. It is the second most common cause of death from cancer in adults. The exact cause for colorectal cancer is unknown, but genetics may play a role in determining risk.

What are the symptoms of colorectal cancer?
Initial symptoms of colorectal cancer include blood in the stool, red stools, and black stools. Other symptoms include pencil-like stools, and a change in bowel movement frequency. Later symptoms include abdominal pain, constipation, abdominal swelling, fatigue, vomiting, and weight loss

How does the doctor treat colorectal cancer?
Treatment for colorectal cancer includes surgery, chemotherapy, and radiation therapy.