He may end up on oxygen, which is not bad, he can wear a portable oxygen machine and still work and do whatever he wants, pretty much, unless his job is very physically demanding. People usually do not become completely incapacitated with emphysema until they have had it for a pretty long time. He'll need to quit smoking, if he smokes, because if he needs to use oxygen, he can blow himself (and you) up is he smokes.
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Gayle
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