Hosted by International Association for the Study of Lung Cancer (IASLC), the 2019 20^th World Conference on Lung Cancer (WCLC) kicked off at Barcelona, Spain on September 7-10. It was a gathering of specialists in lung cancer and other malignant tumors in the chest from all over the world, who demonstrated the latest research findings and focused on trends of future clinical practice with a common devotion to escalating standards for diagnosis and treatment of lung cancer and thoracic neoplasm. At this year's WCLC, Burning Rock Dx worked together with many distinguished specialists in China to demonstrate research findings in a variety of areas including a full analysis on atlas of molecular variation of different tumor subtypes, discovery of molecular markers related to such clinical outcome as efficacy and prognosis, and probe into liquid biopsy and other new techniques among others through 1 oral presentation and 20 posters. Covering a broad range of topics and publishing a huge number of papers, Burning Rock’s NGS testing is clinically prevalent and acceptable in China, indicating the high quality of Burning Rock's medical departments in supporting the entire process from contributing to publishing.