ANPEP and small cell lung carcinoma: Notably, in the context of previous data by SCLC subtype, we found that APM signature gene expression was higher in the SCLC-I subtype [5] (Fig. 5D); APM signature gene expression was also higher in the SCLC-Y (YAP1) subtype per the method of Rudin et al. [6] (Fig. S8A).