CEA test: Carcinoembryonic antigen test is to detect response to therapy in cancer patients, especially colon cancer, with normal range of less than 2.5 (less than 5 in heavy smokers). Note that a positive test may not always be indicative of cancer.
Os Trigonum Syndrome. An Os Trigonum is a small, extra bone found at the back of the ankle in approximately 5-10% of people. Often it goes completely unnoticed, not causing any problems.
Os Trigonum: Toe Pointing and Ankle Pain. BOGO deals are great. Buy One Get One Free lets you have two of what you need for the price of one. However, if you donât need the extra item, it can be more trouble than it is worth.