Carcinoembryonic Antigen (CEA). Clinical Use. Monitor persistent, metastatic, or recurrent adenocarcinoma of the colon following curative surgery. Clinical Background. CEA is an oncofetal glycoprotein present in the gastrointestinal tract and body fluids of the embryo and fetus.arcinoembryonic Antigen (CEA). Clinical Use. Monitor persistent, metastatic, or recurrent adenocarcinoma of the colon following curative surgery. Clinical Background. CEA is an oncofetal glycoprotein present in the gastrointestinal tract and body fluids of the embryo and fetus.
Additionally, right-clicking on the lock of an Ender Chest with a diamond makes it private. Private Ender Chests will only link up to other private chests of the same color and locked by the same player. As they are made of obsidian, Ender Chests are mined using a pickaxe.
To carry out a chest compression: 1  Place the heel of your hand on the breastbone at the centre of the personâs chest. 2  Position yourself with your shoulders above your hands.  Using your body weight (not just your arms), press straight down by 5-6cm (2-2.5 inches) on their chest.