Source:http://linkedlifedata.com/resource/umls/id/C0015376
NCI: The leakage of body fluid or cells from the vascular system to the surrounding tissues. This process occurs either by force or as a result of a pathologic reaction (e.g., inflammation). This process may sometimes allow cancer cells to migrate from capillaries to adjacent tissues, initiating micro-metastases.,NCI: A discharge or escape, as of blood, from a vessel into the tissues.,NCI: The leakage of blood, lymph, or other fluid, such as an anticancer drug, from a blood vessel or tube into the tissue around it. It is also used to describe the movement of cells out of a blood vessel into tissue during inflammation or metastasis (the spread of cancer).,NCI: The unwanted discharge of a fluid from some container or vessel.