PT - JOURNAL ARTICLE AU - Kirk D. Jones TI - Unclassifiable interstitial lung disease: a pathologist's perspective AID - 10.1183/16000617.0132-2017 DP - 2018 Mar 31 TA - European Respiratory Review PG - 170132 VI - 27 IP - 147 4099 - http://err.ersjournals.com/content/27/147/170132.short 4100 - http://err.ersjournals.com/content/27/147/170132.full SO - EUROPEAN RESPIRATORY REVIEW2018 Mar 31; 27 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