Source:http://linkedlifedata.com/resource/umls/id/C0030664
MSH: A specialty concerned with the nature and cause of disease as expressed by changes in cellular or tissue structure and function caused by the disease process.,NCI: The medical science, and specialty practice, concerned with all aspects of disease, but with special reference to the essential nature, causes, and development of abnormal conditions, as well as the structural and functional changes that result from the disease processes. Informally used to mean the result of such an examination.