NSIP is a diagnosis of exclusion, since numerous other inflammatory and fibrotic processes involving the lung may have NSIP-like areas, including hypersensitivity pneumonia, UIP, DAD, LIP, DIP, infectious processes, and aspiration pneumonia, among many others.
White-collar definition, belonging or pertaining to the ranks of office and professional workers whose jobs generally do not involve manual labor or the wearing of a uniform or work clothes. See more.
blue collar. Refers to employees whose job entails (largely or entirely) physical labor, such as in a factory or workshop. For a piece of work to be termed blue collar, it should be directly related to the output generated by the firm, and its end result should be identifiable or tangible. Historically, in the West, manual workers wore blue shirt collars but clerical workers wore white. See also white collar.