The hilum is seen at the lower right with radiating pulmonary arteries and bronchi. 右下有肺動(dòng)脈和支氣管的部位是肺門(mén)。
The lower parts of the both pulmonary hila are related to the branch pattern of the pulmonary arteries in lower lobes. 雙肺門(mén)下區的形態(tài)取決于下葉肺動(dòng)脈的分支形式。