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
A baby is born at 27 weeks of gestation required mechanical ventilation for next 4 weeks & O2 for next 1 week. He maintained at room temperature subsequently. As per new Bronchopulmonary dysplasia definition, he has which of the following –
assistant
The correct answer is  None