CT (sagittal plane) of the goiter extending below thoracic inlet into mediastinum.Yellow arrow indicates solid cystic component of goiter at the cervical region, green arrow indicates goiter extending below thoracic inlet, upper border of the manubrium (front) to upper border body of first thoracic (behind), red arrow indicates arch of the aorta, with the goiter extending below the arch of the aorta, blue arrow indicates the compressed superior vena cava, and orange arrow indicates goiter’s inferior border extending till T9 vertebra.