Even though smoking
really predispose to lung cancer
picture doesn't match for a Carcinoma.COPD
) could have very well resulted from smoking. It says of a cavitating lesion. One of the most common causes of cavitation in lungs is Tuberculosis
COPD and tuberculosis both can cause bad cough
. Especially worse at nights.
I'd strongly advice your husband to stop smoking in such a situation. It had done maximum damage to his lungs already. Just prevent further damage. Also his history is very well in favor of developing a Carcinoma Lung.
I wish him good health.
Please revert with your tuberculosis test results.