As annotating a corpus from scratch may be a time-consuming and costly process, CLAMP-Cancer offers an advanced feature called "pre-annotation" function which facilitates this process. The "pre-annotation" function relies on the existing models in CLAMP-Cancer and is highly customizable.
Double click on the files to view their contents in a new window. As you can see in the figure below, the identified named entities in the file are already highlighted. Now you can start your own annotation.