Veliparib With or Without Radiation Therapy, Carboplatin, and Paclitaxel in Patients With Stage III Non-small Cell Lung Cancer That Cannot Be Removed by Surgery

Inclusion Criteria: * Patients must have histologically or cytologically-proven new diagnosis of unresectable stage IIIA/IIIB\*, non-small cell lung cancer (adenocarcinoma, bronchioloalveolar cell carcinoma, large cell carcinoma, squamous cell carcinoma, or mixed) * Per the American Joint Committee on Cancer (AJCC) 7th edition, pleural and pericardial are now considered stage M1a disease; when pleural fluid is visible on the computed tomography (CT) scan or on a chest x-ray, a thoracentesis is required to confirm that the pleural fluid is cytologically negative; patients with exudative pleural effusions are excluded, regardless of cytology; patients with effusions that are minimal (i.e. not visible on chest x-ray) that are too small to safely tap are eligible; a small effusion that has positive fludeoxyglucose F 18 (FDG) uptake on positron emission tomography (PET) has to be proven to be malignant per standard of care diagnostic procedures for the patient to be excluded * Patients must have measurable or non-measurable disease documented by CT, magnetic resonance imaging (MRI) or PET/CT; the CT from a combined PET/CT may be used to document only non-measurable disease unless the scan is of diagnostic quality; measurable disease must be assessed by CT within 28 days prior to registration; pleural effusions, ascites and laboratory parameters are not acceptable as the only evidence of disease; non-measurable disease must be assessed within 42 days prior to registration; all …