Roentgenogram of the month: chest pain with changing roentgen signs.
D000368:Aged; D006332:Cardiomegaly / Q000000981:diagnostic imaging* / Q000209:etiology; D003327:Coronary Disease / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D011655:Pulmonary Embolism / Q000150:complications / Q000000981:diagnostic imaging*; D011660:Pulmonary Heart Disease / Q000000981:diagnostic imaging*; D011859:Radiography