What seems to be happening to the lungs?
Smoking induced emphysematous changes in the upper lobes.
What is definition of pulmonary emphysema?
Abnormal permanent enlargement of the airspaces distal to the terminal bronchioles accompanied by destruction of the alveolar wall.
What seems to be happening in recent the chest radiograph?
Progressive emphysematous bullae in the upper lungs, in a relatively short period of time.
Progressive radiolucency in both upper lobes with a paucity of pulmonary vessels.
Heart size normal.