RT Journal Article SR Electronic T1 Unclassifiable interstitial lung disease: a pathologist's perspective JF European Respiratory Review JO EUROPEAN RESPIRATORY REVIEW FD European Respiratory Society SP 170132 DO 10.1183/16000617.0132-2017 VO 27 IS 147 A1 Kirk D. Jones YR 2018 UL http://err.ersjournals.com/content/27/147/170132.abstract AB Classifying pulmonary fibrotic disease into various diagnostic categories provides the clinician with expectations for both prognosis and proper treatment. Despite years of experience with histological, radiological and clinical guidelines, a group of patients remains with unclassifiable interstitial lung disease. In this article, the possible barriers to classification will be explored, and some strategies will be discussed to aid in overcoming these barriers.What are the sources of unclassifiable interstitial fibrosis? What factors prevent a definitive diagnosis? http://ow.ly/PMY530iUCCY