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.
In its most basic usage, to say that one person is working a white collar job and another is working a blue collar job carries the significance of salary size. The blue collar worker might not earn a salary at all, he might be working for hourly wages, or he may get paid for every item produced or assembled.