1. Chest Wall
2. Diaphragm
3. Pleural lesions
4. Mediastinal lesions and hilar enlargement
5. Respiratory diseases and emphysema
6. Neoplasms, metastases and lymphangitic carcinoma
7. Pulmonary embolism, pulmonary infarction
8. Lung infections
9. Pulmonary congestions/pulmonary edema
10. Diffuse pulmonary fibrosis
11. Collagen vascular diseases
12. Lung diseases in relation to medicines
13. Trauma
14. The postoperative intensive care patient
Alf Kolbenstvedt, Arnulf Skjennald and Charles B. Higgins