beating lung cancer, as w/any cancer, depends on the stage and prognosis of the disease.
in some cases of lung cancer, they can remove the lung or tumor.
chemo and radiation can both reduce the growth and prolong life.
in the end you have to consider the age of the person and the quality of life they wish to have.
www.cancer.org or 1.800.ACS.2345 is a great source for questions.