- Patients must have histologically confirmed, newly diagnosed or recurrent from a previously treated early stage lung cancers that are locally confined, non-small cell lung cancers that are considered unresectable and for which chemoradiation will be considered definitive therapy; patients with recurrent cancer that is amendable for chemoradiation can be eligible only if patients with prior lobectomy for stage I cancer had not had adjuvant chemotherapy, and more than 8 weeks have elapsed from surgery to allow for wound healing; patients who recur from prior X-ray therapy (XRT) or stereotactic body radiation therapy (SBRT) will not be eligible