RecruitingPhase 1Drug trialPapaverine in Combination With Chemoradiation for the Treatment of Stage II-III Non-small Cell Lung CancerThis phase I trial finds out the best dose, possible benefits and/or side effects of papaverine when given together with chemoradiation intreating patients with stage II-III non-small cell lung cancer. Papaverine targets mitochondrial metabolism to decrease the cancer growth process. Giving papaverine with chemoradiation may work best to treat patients with non-small cell lung cancer.