Fig. 4.

A 62-year-old inpatient with previous smoking history and proven idiopathic pulmonary fibrosis. Clinical symptoms included cough, fever, dyspnea, and malaise: CRP was 26 mg/dl and white cell count was 23.6 g/l. Chest radiography does not allow identification of a pneumonic infiltrate, although the patient was diagnosed as suffering from Pseudomonas aeruginosa infection (using protected catheter brushing)