Mine is not lung cancer (mine is laryngial) but the first thing I would tell you is that everyone responds differently, and everyone has different regimines of treatment.
I don't know who gave you the diagnosis, but unless they have done a biopsy they are not sure what dind of tumor you have or how agressive it may be. See an oncologist. When you do see one, make sure it one that you can work with, talk to, and understand the explainations. I have been lucky with good ones-- I don't know of any bad, so I can't help too much in the choice area.
Make a journal. List what questions you have, what dr.s tell you, what you feel, etc. This has been extrememly helpful when I needed to look back on what meds etc. Yes, some of the stuff is on the chart, but it is nice to have it in your hand. I got really good at recording blood counts, days, times, notes about dr. discussions, and even how I felt about it.
Find a good friend that can go with you sometimes just so you have a different set of ears and a different person asking questions. This was very hard for me because I believe in 'taking care of my own business'. My parents are wonderful people but they are too emotionally involved and they still think of me as their little boy (I'm 47).
It may not be fun, but you will learn a lot. You will meet some wonderful people and you cna beat this thing.
Good luck.