Source:http://linkedlifedata.com/resource/umls/id/C1269798
NCI: Refers to cancer that has spread from the original (primary) tumor to distant organs or distant lymph nodes.,NCI: A biological process that involves the transfer and growth of cancer cells from the site of the primary tumor. Relocation of malignant cells during metastasis can be restricted to movement within a specific tissue/organ or may entail migration to a distal locus within the body. This phenotype is a characteristic of all malignant tumors.