empyemas http://emedicine.medscape.com/article/807499-overview eMedicine Medical Library: Empyema and Abscess Pneumonia http://emedicine.medscape.com/article/807499-overview http://emedicine.medscape.com/article/807499-overview http://emedicine.medscape.com/article/807499-overview http://emedicine.medscape.com/article/807499-overview http://emedicine.medscape.com/article/807499-overview empyema http://emedicine.medscape.com/article/807499-overview