Source:http://linkedlifedata.com/resource/umls/id/C1521726
NCI: A decrease in the size of a tumor, or in the extent of cancer in the body, in response to treatment.,NCI: A finding indicating that there is a decrease in the size and the extent of tissue involvement by a malignant tumor in a patient. (NCI),NCI: A finding indicating that there is a decrease in the size and the extent of tissue involvement by a malignant tumor in a patient.