SMARCA4 and small cell lung carcinoma: To study the association of SMARCA4 and NE identity in SCLC at higher resolution, we leveraged a publicly available scRNAseq dataset of 4 tumors derived from the Rb1fl/fl; Trp53fl/fl; MycT58ALSL/LSL (RPM) genetically engineered mouse model (GEMM) of SCLC [6].