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
Cause for pneumatoceles
assistant
The correct answer is  Pneumatoceles an thin - walled, gas - filled cystic lung spaces.
Causes :
S.aureus (infants & children).
P.carini (AIDS).
H.influenzae & E - coli (Neonate).