Presentation
Retired electrician with a history of 40 pack years of smoking. Shortness of breath.
Patient Data
Age: 68
Gender: Male
From the case:
Emphysema
Frontal

Hyperinflated lungs as indicated by flattened diaphragms.
The upper lobes are relatively radiolucent compared to the lower lobes, in particular the right upper lobe with less prominent bronchovascular markings.
Case Discussion
Emphysema is one spectrum of COPD, a condition exclusively related to a history of tobacco use.
At its most extreme bullae are evident. Disease is normally pronounced before appreciable on x-ray.
HRCT chest illustrates even minor disease and aids characterization.