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 terms white-collar and blue-collar became popular in the 1920s. White-collar workers are professionals and usually work in office buildings or the clergy. Their jobs do not involve much, if any, manual labor, and they do not wear uniforms. Blue-collar workers, by contrast, usually have intense physical labor jobs.