1 The dance form of ballet was invented during the Italian Renaissance of the 15th and 16th centuries. 2  Some of the favorite foods of the nobles were large birds such as swans, peacocks, and herons. 3  Music and dancing was a popular form of entertainment and big part of Renaissance daily life.
CEA is a protein marker indicative of several types of cancers, especially colon cancer. The CEA normal levels are different for smokers and nonsmokers. Usually, for adult nonsmokers, the normal CEA levels range from 0 to 2.5 mcg/l.For adult smokers, the levels are slightly higher, and normal levels range from 0 to 5.0 mcg/l. This difference in normal values is because smokers usually produce more CEA than nonsmokers.he CEA test is performed to monitor the severity of cancer or tumors in the patients. The values obtained after the CEA test indicates the response of body to the therapy. So, CEA values are used as a marker mainly for colon cancer.
My onc nurse told me she has seen them in the thousands. It is a measure of the enzymes that cancer cells are putting out. Mine was only 7 when I had my large tumor, and now it stays around 3 to 4, for some people CEA is a better indicator than others.