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
Gray hepatization of lungs is seen on day ?
assistant
The correct answer is  Ans. is 'd' i.e., 5-7 All 4 phases may be seen in different pas of the same lung (1) Congestion (1-2 days) (2) Red hepatization (2"d-4'h day) (3) Gray hepatization (5'h-8'h day) (4) Resolution (8th-9th day)