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
In an infant with aspiration pneumonitis, the most common lung segment to be involved is –
assistant
The correct answer is  Lobes of lung most susceptible to aspiration in supine position → Post segment of Rt. Upper lobe (Most common), Superior segment of right lower lobe, Superior segment of left lower lobe.