title: Evaluation of diseases associated with cardiac enlargement using principal component analysis of plain chest x-ray films.
mesh_terms: D000368:Aged; D002312:Cardiomyopathy, Hypertrophic / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D006973:Hypertension / Q000000981:diagnostic imaging; D007676:Kidney Failure, Chronic / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D008955:Models, Cardiovascular; D009203:Myocardial Infarction / Q000000981:diagnostic imaging*; D013902:Radiography, Thoracic; D012737:Sex Factors