Publication Date 5-1-2026 Journal Journal of Thoracic Oncology DOI 10.1016/j.jtho.2025.12.004 PubMedCentral® Posted Date 6-12-2026 PubMedCentral® Full Text Version Author MSS Abstract Introduction: Rare, deleterious germline variants are key contributors to inherited lung cancer (LC) risk. The Genetic Epidemiology of LC Consortium (GELCC) has curated valuable high-risk LC families and is uniquely positioned to uncover rare, high-penetrance variants underlying familial LC (FLC).