asymptomatic 20-year-old Indian woman presented to our department with
a prominent right tracheobronchial mass detected on a preemployment
chest radiograph. She had an uneventful childhood and did not have any
significant medical or surgical history. Clinical examinations of the
cardiovascular and respiratory systems and the abdomen were normal.
The chest radiograph showed a right tracheobronchial mass with
deviation of the right paravertebral pleura. The cardiac silhouette was
normal, and the gastric bubble was seen below the left hemidiaphragm
). Lateral chest radiograph revealed that the mass was behind the
trachea and there was an absence of the inferior vena cava (IVC) shadow
). CT of the thorax and abdomen showed the azygos vein to be dilated
) as a result of absent infrahepatic IVC (Fig 4
). The cardiac chambers, lungs, liver, and hepatic veins were normal,
and there was no situs inversus.