system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following is a cause of unilateral hyperlucent lung on chest radiography?
assistant
The correct answer is  Poland's syndrome (unilateral congenital absence of pectoral muscles) causes unilateral hypertranslucency.
Asthma & acute bronchiolitis cause bilateral hypertranslucency.