Sonam Puri, MD, Huntsman Cancer Institute at the University of Utah, Salt Lake City, UT, discusses the findings of a large-scale analysis of real-world small cell lung cancer (SCLC) patient samples, examining the expression of clinically relevant biomarkers across subtypes. Differential expression across SCLC subtypes may inform personalized treatment approaches. This interview took place at the American Society of Clinical Oncology (ASCO) 2021 Virtual Meeting.