A Study of Cesium-131 Brachytherapy Following Sub-Lobar Resection for Early Stage Non Small Cell Lung Cancer

Inclusion Criteria: 1. Patients must have suspicious lung nodule for clinical stage I/recurrent non-small cell Lung Cancer 2. Mass Tumor size \< 7 cm 3. Patient must have a CT scan of the chest with upper abdomen within 90 days prior to date of pre-registration. 4. Patient must have ECOG/Zubrod performance status 0,1, or 2. Exclusion Criteria: 1. Patient has already received high dose radiation to the area 2. Cancerous nodule is very close to the esophagus or spinal cord, thereby increasing the risk of radiation treatment 3. Pregnancy or unwillingness to practice a form of birth control (i.e. abstinence, oral contraceptives, etc.)