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.
å¤ä»£ã®ã·ã³ãã« (Japanese) The triskele, otherwise known as the Triskelion, is a trilateral symbol consisting of three interlocked spirals. Widely regarded as one of the oldest Irish symbols in existence, it appears on the Newgrange kerbstones, which date from approximately 3200 BC.