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.
The chest is a storage item able to contain 6 different items with infinite weight tolerance. A player can open the chest by pressing the interact key (F by default). The chest is not accessible by anyone except the player who created it and members of their group making it a good way to store valuables. If the chest is destroyed anything in the chest will end up on the floor. How to Obtain.