I had melanoma in 2002. A follow-up x-ray for skin cancer found a spot on my lung. I had a lobectomy in 2005. The cancer resurfaced in 2008 and resulted in pneumonectomy. Life with one lung is difficult but it is life and I thank God and good physicians for my continued existence. I haven't smoked since August 2005. If you "can't quit," at least see a doctor regularly.