Define: Alveolar (airspace) disease Define: Anterior and posterior junction lines Define: Aortopulmonary window Define: Atelectasis Define: Azygoesophageal line Define: Azygoesophageal recess Define: Bleb Define: Bronchiectasis Define: Bulla Define: COPD Define: Cardiophrenic angles Define: Cephalization Define: Costophrenic angles Define: Emphysema Define: Eventration of the diaphragm Define: Granuloma Define: Interstitial disease Define: Lung markings Define: Right paratracheal stripe Define: Superior pericardial recess How can a phantom tumor be confirmed? List eight common causes of hemidiaphragm elevation. List five causes of a batwing pattern. List six causes of Kerley lines. List six causes of an air bronchogram. List six common causes of bilateral diaphragmatic elevation. What are Kerley (septal) lines? What are the normal positions of the diaphragmatic shadows? What is a batwing or butterfly pattern? What is an air bronchogram? What is the phantom or vanishing tumor sign (pseudotumor)? Book traversal links for Definitions ‹ What is the primary thoracic radiographic finding in polysplenia syndrome? Up Define: Alveolar (airspace) disease ›