GAMUT G-6
EXTRINSIC IMPRESSION ON THE THORACIC ESOPHAGUS


COMMON
1. Cardiac enlargement  (esp. left atrium  )
2. Duplication cyst (bronchogenic or enteric)
3. Hiatal hernia (esp. paraesophageal)
4. Mediastinal lymphadenopathy (eg, metastasis; lymphoma G; tuberculosis; histoplasmosis; sarcoidosis )
5. Mediastinal mass (eg, tumor; cyst; mediastinitis)
6. Normal structure (left main stem bronchus; aortic knob; confluence of left pulmonary veins)
7. Pericardial lesion (eg, effusion; cyst; tumor) (See E-43)
8. Pleuropulmonary fibrosis at lung apex, esp. tuberculosis (pseudoimpression)
9. Pulmonary mass (esp. carcinoma of lung)
10. Vascular impression, abnormal (eg, aortic aneurysm or tortuosity; coarctation of aorta; right, cervical, or double aortic arch; truncus arteriosus; aberrant right or left subclavian artery; pulmonary sling) (See G-7)


UNCOMMON
1. Schwannoma (neurinoma) of vagus or phrenic nerve
2. Spinal abnormality (eg, kyphosis; scoliosis; osteophyte; DISH; neoplasm; osteomyelitis)
3. Tracheal neoplasm (See B-111, F-81-1)





References