Stereotactic Body Radiation Therapy for Un-biopsied Early- Stage Non Small Cell Lung Cancer

Group 1: For peripherally located tumors patients will receive SBRT(Stereotactic Body Radiation Therapy) , 3 fractions of 18 Gy to a total dose of 54 Gy, with a minimum of 40 hours between each treatment fraction is required. ( Gy = Gray and is the unit used to measure the total amount of radiation a patient is exposed to)

Group 2: For chest wall adjacent tumors patients will receive SBRT (Stereotactic Body Radiation Therapy) , 5 fractions of 12 Gy to a total dose of 60 Gy, with a minimum of 40 hours between each treatment fraction is required. ( Gy = Gray and is the unit used to measure the total amount of radiation a patient is exposed to)

Group 3: For central tumors patients will receive SBRT (Stereotactic Body Radiation Therapy) , 5 fractions of 10 Gy to a total dose of 50 Gy, with a minimum of 40 hours between each treatment fraction is required. ( Gy = Gray and is the unit used to measure the total amount of radiation a patient is exposed to)