In addition, Vlahovic demonstrated that the phosphorylated platelet‐derived growth factor receptor β (PDGFR‐β) inhibitor imatinib, in addition to inhibiting p‐PDGFR‐β, can also downregulate VEGF and reduce intratumoral interstitial fluid pressure in lung adenocarcinoma.173. The gene discussed is PDGFRB; the disease is lung adenocarcinoma.