The trachea is an integral part of the respiratory system. It is, or s hould be, visible on every high-quality chest radiograph. Frequently, however, the trachea is neglected as a source of disease by clinicians and radiologists alike. This book is the result of the author's speci al interest in this topic spanning 15 years. It deals with the major c ategories of disease involving the trachea, using illustrations to emp hasize the crucial role imaging studies play in diagnosing disease in this organ.