Roentgenogram of the month.
D001022:Aortic Valve Insufficiency / Q000601:surgery; D006350:Heart Valve Prosthesis; D006505:Hepatitis / Q000150:complications*; D006801:Humans; D008172:Lung Diseases, Fungal; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000601:surgery; D009617:Nocardia Infections; D011183:Postoperative Complications; D012214:Rheumatic Heart Disease / Q000601:surgery*