Your dad could live a long time with emphysema, but he will need oxygen and inhalers to help him breath. I have a neighbor who has it, and it's been 10 yrs now and he is still living. So just enjoy being with him and love him, but also take time for yourself.
Here is a site on emphysema;
http://www.nlm.nih.gov/medlineplus/emphysema.html
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Today I am going to spend more time looking for all the positive things about myself. Today I recongnize myself and acknowledge myself as a terrific human being.
by of: Time for Joy by Ruth Fishel
Cindy