FGFRL1 and small cell lung carcinoma: It has been confirmed that ENO1 can regulate the PI3K/AKT pathway positively.19, 21, 25 According to the sequencing data, SCLC patients were equally separated into high, medium and low FGFRL1 expression groups.27 Differential analysis and enrichment analysis were performed in patients with high and low expression of FGFRL1.