I'm a bit worried about a recent HRCT report I got back. It mentions a large smooth-walled air-filled lesion that's replaced my right upper lobe, likely a bullae, with some compressive atelectatic changes in the adjacent lung. Can you help me understand what this means? Should I be concerned about this?

Understanding the HRCT Findings: a. A large smooth-walled air-filled lesion in the lung is likely a bullae, which is a type of emphysematous change. b. Compressive atelectatic changes indicate partial lung collapse due to pressure from the bullae.

Concerns and Recommendations: a. Bullae can lead to reduced lung function and risk of rupture, causing pneumothorax. b. Consult a pulmonologist for further evaluation and management options, which may include monitoring or surgical intervention if symptomatic.