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.
The blue collar worker is perceived to make less than the white collar worker. The white collar worker might work behind a desk in the service industry, while the blue collar worker gets his hands dirty doing manual labor or working in a division of manufacturing. Perhaps the white collar worker has a more well-rounded education than the blue collar worker.