Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Observational
Official Title: A Non-Interventional Multinational Study to Assess PD-L1 Expression in Cytological Versus Histological Non-Small Cell or Small Cell Lung Cancer Specimens
Brief Summary: The primary purpose of this non-interventional, multinational study is to assess the feasibility of assessing PD-L1 protein expression on cytological samples as a surrogate for histological samples obtained from participants with any stage of non-small cell lung cancer (NSCLC) or small cell lung cancer (SCLC).