Felson’s ten axioms for a lifetime of learning in medicine -- The radiographic examination: the basics -- Cross-sectional imaging techniques -- The normal chest x-ray: reading like the pros -- Chest CT: putting it all together -- Lobar anatomy -- The silhouette sign -- The air bronchogram sign -- Signs of lung and lobar collapse -- Patterns of lung disease -- Understanding the mediastinum -- The pleural and extrapleural spaces -- Cardiovascular disease -- Quiz: ten great cases.