This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vascular surgery, Subject name: Surgery
Which of the following is a cause of unilateral hyperluscent lung on chest radiography? 
Select and explain. 
A. Poland Syndrome, B. Asthma, C. Acute Bronchiolitis, D. Pleural effusion
A: Poland Syndrome
Answer: A: Poland Syndrome 
Explanation: Hyperluscent Lung Unilateral Bilateral Chest Wall defects Mastectomy Poland syndrome(absent pectoralis muscle) Endobronchial obstruction Pulmonary Vascular causes: Pulmonary aerial hyperplasia Pulmonary embolism Congenital lobar emphysema Decreased soft Tissue Thin body habitus Bilateral mastectomy Cardiac causes of decreased pulmonary blood flow: Right to left shunt Eisenmenger&;s syndrome Pulmonary causes of decreased pulmonary blood flow: Pulmonary embolism Emphysema Bulla or bleb Interstitial emphysema Ref: Wolfgang Radiology Pgno: 271