Roentgenogram of the month.
D004443:Echinococcosis / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D006872:Hydropneumothorax / Q000000981:diagnostic imaging*; D008875:Middle Aged; D011859:Radiography; D012141:Respiratory Tract Infections / Q000000981:diagnostic imaging*