title: Invited commentary.
authors.affiliation: Division of Thoracic Surgery, Massachusetts General Hospital, 55 Fruit St, Blake 1570, Boston, MA 02114, USA. jallan@partners.org
authors.forename: James S
authors.initials: JS
authors.lastname: Allan
mesh_terms: D018925:Chemokines / Q000378:metabolism*; D042783:Endothelial Cells / Q000276:immunology*; D004730:Endothelium, Vascular / Q000166:cytology* / Q000276:immunology*; D016040:Lung Transplantation / Q000276:immunology*; D008264:Macrophages / Q000378:metabolism*; D011650:Pulmonary Alveoli / Q000276:immunology*; D011651:Pulmonary Artery / Q000166:cytology* / Q000276:immunology*
chemical_list: D018925:Chemokines