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 3 year old female child developed fever, cough and respiratory distress. On the chest, X-ray consolidation is seen in right lower lobe. She improved with antibiotics but on follow up at 8 weeks was again found to have increasing consolidation in right lower lobe. Your next investigation would be –
assistant
The correct answer is  "Plain chest radiography is the mainstay in diagnosis and monitoring progress of pneumonia. CT is used when complications are suspected".