Asthma: You mention he still smokes, which causes constant inflammation of the airways and hence cough and mucus production. His asthma/copd could also be not well controlled. You should discuss these issues with his pulmonollgist and he should stop smoking!
Answered 7/4/2013
5k views
Spectrum: Certainly it may be related to his continued smoking. It could be something benign light post nasal drip or indicative of a lung infection. If he is running a fever, having chills, or coughing up phlegm that is green a visit to his doctor would be reasonable. In addition, if he has not had routine follow up for his lung cancer he should.
Answered 7/4/2013
5k views
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