Fri May 1 forgot pft in my earlier submission. Needs CXR and Pulmonary Function Tests. If normal, continue with spiral CT then bronchoscopy. GOReflux is a possibility, although I would treat with a propton-pump inhibitor and not H2 antagonists. Thu Apr 16 no matter how long ago he has quit smoking, we must always rule out Ca.
Cronic bronchitis is certainly a possibility.
However, I can not discout the posible benefit of CT in evaluation of underlying cause. I suspect the pulmonary involvement is from an environmental source. I suspect the pulmonary involvement is from an environmental source. A bronchoalveolar lavage would also be useful looking for TB, pneumocystis carinii, fungus, etc. A CXR would be helpful.