KDR and small cell lung carcinoma: In WikiPathways analysis, it prominently features in vascular endothelial growth factor A (VEGFA)–vascular endothelial growth factor receptor 2 (VEGFR2) signaling, phosphoinositide 3-kinase (PI3K)–AKT–mammalian target of rapamycin (mTOR) signaling in focal adhesion, and small-cell lung cancer pathways.