The carcinoembryonic antigen, or CEA, levels of postoperative colon cancer patients are regularly checked by physicians as changes in the levels may indicate a relapse of the cancer. Relapse of other types of cancers suc... More » Health Conditions & Diseases Cancer

The CEA test is done before colon cancer surgery to determine how widespread the cancer is, and afterwards to determine how effective the surgery was, according to WebMD. CEA stands for carcinoembryonic antigen. It is a ... More » Health Medical Ranges & Levels

The normal value for those taking a CEA, or carcinoembryonic antigen, blood test is 0 to 2.5 micrograms per liter, according to MedlinePlus. For smokers, the normal value range is 0 to 5 micrograms per liter. More »

CEA stands for carcinoembryonic antigen, and it is a protein found in the blood of people with certain types of cancer. CEA is present in the bloodstream during fetal development, but is not found in the blood work of he... More » Health Conditions & Diseases Cancer

According to Mayo Clinic, symptoms of colon cancer include rectal bleeding, persistent abdominal discomfort, unexplained weight loss, weakness or fatigue, the feeling that one's bowels do not completely empty and notable... More »

The most common symptoms of colon cancer include blood in the stool, changes in bowel behavior such as diarrhea or constipation, unexplained weight loss, or general fatigue and weakness, according to Mayo Clinic. Many pe... More »

Persistent abdominal pain, sometimes associated with gas or cramps, may occur in patients with colon cancer, states Mayo Clinic. In the early stages of the disease, there are often no symptoms. When symptoms occur, they ... More » Health Conditions & Diseases Cancer