title: Gram-negative pneumonia.
mesh_terms: D001442:Bacteroides Infections / Q000000981:diagnostic imaging*; D004653:Empyema / Q000000981:diagnostic imaging; D004754:Enterobacter; D004756:Enterobacteriaceae Infections / Q000000981:diagnostic imaging*; D004927:Escherichia coli Infections / Q000000981:diagnostic imaging; D006801:Humans; D007710:Klebsiella Infections / Q000000981:diagnostic imaging; D007711:Klebsiella pneumoniae; D011014:Pneumonia / Q000000981:diagnostic imaging* / Q000209:etiology; D011512:Proteus Infections / Q000000981:diagnostic imaging; D011552:Pseudomonas Infections / Q000000981:diagnostic imaging*; D011650:Pulmonary Alveoli / Q000000981:diagnostic imaging; D011859:Radiography