Analysis of the fissure sign.
D000328:Adult; D000792:Angiography; D005260:Female; D006333:Heart Failure / Q000175:diagnosis; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D008173:Lung Diseases, Obstructive / Q000175:diagnosis; D008297:Male; D008722:Methods; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis / Q000000981:diagnostic imaging; D011655:Pulmonary Embolism / Q000175:diagnosis / Q000000981:diagnostic imaging; D011877:Radionuclide Imaging; D013679:Technology, Radiologic