The vanishing diaphragm in pericardial effusion.
D000328:Adult; D000368:Aged; D006332:Cardiomegaly / Q000000981:diagnostic imaging*; D002675:Child, Preschool; D003937:Diagnosis, Differential; D003964:Diaphragm / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010490:Pericardial Effusion / Q000000981:diagnostic imaging*; D011859:Radiography