Disease Characteristics, Treatment Patterns and Clinical Outcomes in Patients With Newly Diagnosed Unresectable Stage IIIB/IV Non-Small Cell Lung Cancer (NSCLC) in China

The purpose of this observational study is to describe patient and disease characteristics as well as treatment patterns in Chinese patients with unresectable stage IIIB or IV non-small cell lung cancer (NSCLC). In addition, this study characterizes the clinical outcomes for various populations of patients defined by clinical and tumor characteristics, treatment patterns, and hospital category defined by city tier and geographic region.