title: [Difficulties of differential diagnosis of chronic non-specific pneumonia and central cancer of the lung].
mesh_terms: D000328:Adult; D000368:Aged; D002908:Chronic Disease; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D011014:Pneumonia / Q000175:diagnosis*
vernacular_title: Trudnosti differentsial'noi diagnostiki khronicheskoĭ pnevmonii i tsentral'nogo raka legkogo.