LU008

Short Title: LU008

This phase III trial compares the effect of adding stereotactic body radiation therapy (SBRT) to standard treatment (image guided radiation therapy [IGRT] and chemotherapy followed by immunotherapy with durvalumab) versus standard treatment alone in treating patients with non-small cell lung cancer that cannot be treated by surgery (inoperable). SBRT uses special equipment to position a patient and deliver radiation to tumors with high precision. This method may kill tumor cells with fewer doses over a shorter period and cause less damage to normal tissue. IGRT is a type of radiation that uses a computer to create picture of the tumor, to help guide the radiation beam during therapy, making it more accurate and causing less damage to healthy tissue.