Effect of pleural fluid on the appearance of the lung scan.
D000792:Angiography; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D010996:Pleural Effusion / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011651:Pulmonary Artery; D011655:Pulmonary Embolism / Q000175:diagnosis; D011877:Radionuclide Imaging