Results Among the 266 cases, the rate of SVCS caused by right superior bronchial disease is 62.9%, and the next is the right superiormediastinum disease.
结果266例患者中以右上肺病变引起的上腔静脉综合征占62.9%，其次是右上纵隔病变。
2
Because the trachea and thyroid gland adjoin to the subglottic area, the tumor invades them along with the superiormediastinum and lung by the way of paratracheal lymph drainage.